30 more yugi-oh cards: These aren't based on pre-existing cartoons.

Okay, here's my latest set. They're not based on cartoon characters like He-Man and Thundercats. Rather, they're entirely original, just like my first and second card description pages. This list includes cards for Primal, Star Knight, and "Baby" monsters, as well as another, powerful type of monster. Enjoy!

1. Card Name: Star Charger

Card Type: Continuous Spell

Card Effect: Once per turn, you may remove from play any number of "Star Knight" monsters from your graveyard to increase the level of one face-up "Star Knight" monster you control by the level of every "Star Knight" removed from play this turn by this card's effect.

2. Card Name: Traveling backward in time

Card type: Spell card

Card Effect: You can select 1 face-up level 3 or higher monster on your opponent's side of the field to add 1 "Baby" monster of the same type from your deck to your hand. That monster cannot be normal summoned or special summoned to your side of the field. OR, You can select 1 face-up "Baby" monster on your side of the field and add 1 "Primal" monster written on the text of that card from your deck to your hand. This card can only be activated while "Valley of Genesis" is the field.

3. Card Name: Baby Genius

Card Attribute: Earth

Card Level: 2

Card Attack: 1000

Card defense: 400

Card type: Psychic/Effect: If your opponent controls a face-up Psychic-type monster of level 3 or higher, you can destroy that monster to special summon this card to your opponent's side of the field in attack position. If you activate this effect, you cannot normal summon or set this turn. When this card is special summoned, return 1 card from the field to its owner's hand. If "Valley of Genesis" is face-up on the field, you can offer this face-up card as a tribute to special summon 1 "Primal Brain Neuros" from your hand.

4. Card Name: Primal Brain Neuros

Card Attribute: Earth

Card Level: 8

Card Attack: 2500

Card Defense: 2800

Card Type: Psychic/Effect: Unless "Valley of Genesis" is face-up on the field, this card's effects are negated. While this card is face-up on the field, "Valley of Genesis" cannot be destroyed. When this card is normal or special summoned, you may return 1 card from the field to its owner's hand. When this card is sent to the graveyard, you may destroy 1 other face-up "Primal" monster you control to special summon this card from your graveyard.

4.  Card Name: Star Knight - Space Invader

Card Attribute: Dark

Card Level: 1

Card Attack: ?

Card Defense: ?

Card type: Warrior/Effect: This monster's attack and defense are equal to its level (X300). During each standby phase, increase the level of this card by 1. Whenever this card destroys an opponent's monster by battle and sends it to the graveyard, your opponent skips his/her next draw step.

5. Card Name: Infinitropolis, The city of the future

Card Type: Field Spell card

Card Effect: You take no battle damage from battles involving "Future Warrior" monsters. Whenever the attack of a "Future Warrior" monster you control increases, you gain life points equal to the amount of that attack or defense increase. Once per turn, all "Future Warrior" Monsters are not destroyed by battle. When this card is destroyed, shuffle this card into your deck instead of sending it to the graveyard.

6. Card Name: Future Warrior - Simon the researcher

Card Attribute: Earth

Card Level: 2

Card Attack: 500

Card Defense: 500

Card Effect: Whenever this card is selected as an attack target by the attack of an opponent's monster, increase the attack and defense of this monster by 500. During the end phase of any turn this monster did not attack, you may add 1 card from your graveyard to your hand.

7. Card Name: Future Warrior - Felineous, the mutant

Card Attribute: Wind

Card Level: 4

Card Attack: 2000

Card Defense: 1200

Card type: Beast-Warrior/effect: Unless you control a face-up "Future Warrior" monster other than "Future Warrior - Felineous the mutant", or a face-up "Infinitropolis - The city of the Future", this card cannot be normal summoned. This monster cannot be destroyed by battle. Whenever a "Future Warrior" monster you control is sent to the graveyard, increase the attack of this card by 400.

8. Card Name: Blaster from the future

Card Type: Equip Spell

Card Effect: This card can only be equipped to a "Future Warrior" monster you control. Whenever the selected monster attacks, inflict 100 points of direct damage to your opponent's life points x the level of the equipped monster.

9. Card Name: Future Hero - Energy Beast

Card Attribute: Light

Card Level: 4

Card Attack: 1700

Card Defense: 1500

Card Type: Thunder/Effect: Whenever this card is special summoned, increase the attack of one face-up "Future Warrior" Monster you control other than "Future Warrior - Energy Beast" by 500 points. If this card is destroyed, you may special summon this monster from your graveyard during your next standby phase. 

10. Card Name: Battle Rattle

Card Type: Equip Spell

Card Effect: This card can only be equipped to a face-up "Baby" monster you control. The equipped monster gains attack and defense equal to it's original attack and defense. If the equipped monster attacks or is attacked by an opponent's monster, it is not destroyed by that battle. Then, place this card on an opponent's monster. A monster with this card placed on it has its effects negated, and loses 1 level and 500 attack and defense points each turn. When the monster's attack and defense are 0, and its level is 1, you can equip the card to a face-up "Baby" monster you control.

11. Card Name: Miracle Flower

Card Attribute: Light

Card Level: 5

Card Attack: 1100

Card Defense: 1100

Card type: While this card is face-up on the field, this card's name is treated as a "Primal" monster. While this monster is in the graveyard, increase your lifepoints by 100 points x the number of "life counters" during each of your standby phases.

12. Card Name: Summoning Crimson Fiends

Card type: Continuous trap

Card Effect: As long as this card remains face-up on the field, pay half your life points during each of your end phases. During your standby phase, put 1 counter on this card. During your main phase, you may remove a number of counters from this card to special summon 1 "Crimson Fiend" token. The attack and defense of the token summoned by this effect are equal to the number of counters you removed to special summon it. The attack and defense of the summoned "Crimson Fiend" token are equal to its level (x 500).

13. Card Name: Future Warrior - Screwdriver, the robot

Card Attribute; Fire

Card Level: 4

Card Attack: 1500

Card Defense: 1000

Card Type: Machine/Effect: When this card is normal or special summoned, increase the attack and defense of this card by 300 for every face-up "Future Hero" on your side of the field other than "Future Hero - Screwdriver the robot". When a face-up "Future Warrior" monster you control would be destroyed by battle, or by a monster card effect, you may discard 1 "Future Warrior" from your hand to have that monster not be destroyed.

14. Card Name: Security System

Card Type: Continuous Spell

Card Effect: The effect of this card can be activated a number of times per turn equal to the number of "Future Warrior" monsters on your side of the field. Spell and trap cards you control cannot be destroyed by card effects. When this card is destroyed, you can destroy 1 card on your opponent's side of the field.

15. Card Name: Solution from the future

Card Type: Trap Card

Card Effect: You can activate the card's effect while you control a face-up "Future Warrior" monster. Negate the attack of one of your opponent's monsters, and change the battle position of one of your face-up "Future Warrior" Monsters.

16. Card Name: Stuffed Animals

Card Attribute: Earth

Card Level: 4

Card Attack: 1700

Card Defense: 1200

Card Type: Beast-Warrior/Effect: If you control a face-up "Baby" monster, you can special summon this card from your hand. While this card is face-up on the field, increase the attack of all face-up "Baby" monsters on your side of the field by 500 points. If a face-up "Baby" monster you control would be destroyed, you can destroy this card instead. The attack and defense of this monster increases by 300 points for every "Baby" monster in your graveyard.

17. Card Name: Primal Serpent

Card Attribute: Dark

Card Level: 4

Card Attack: 300

Card Defense: 300

Card Type: Reptile/Effect: If "The Valley of Genesis" is face-up on your side of the field, you can special summon this card from your hand. If this card is destroyed by battle, destroy the monster that destroyed it. Increase the attack and defense of this card by 300 for every "Life Counter" on "The Valley of Genesis".

18. Card name: Baby Seahorse

Card Attribute: Water

Card Level: 2

Card Attack: 700

Card Defense: 300

Card Type: Sea Serpent/Effect: When your opponent controls a face-up Sea Serpent-type monster of level 3 or higher, you can destroy that monster to special summon this monster to your opponent's side of the field in attack position. When this card is special summoned, you can add 1 monster from your graveyard to your hand. While "The Valley of Genesis" is face-up on your side of the field, you can offer this face-up monster you control as a tribute to special summon one "Primal Seasnake Depthcharge" from your hand.

19. Card Name: Primal Seasnake Depthcharge

Card Attribute: Water

Card Level: 8

Card Attack: 3000

Card Defense: 2500

Card Type: Sea serpent/Effect: Unless "The Valley of Genesis" is face-up on the field, the effects of this card are negated. While this card is face-up on the field, "The Valley of Genesis" cannot be destroyed. When this monster is normal summoned or special summoned, you can add 1 monster from your graveyard to your hand. When this card is destroyed and sent to the graveyard, you can destroy 1 "Primal" monster to special summon this card from the graveyard.

20. Card Name: Future Warrior - Slash the Assasin

Card Attribute: Dark

Card Level: 7

Card Attack: 2200

Card Defense: 2500

Card Type: Warrior/Effect: When this card battles an opponent's defense position monster, destroy it with this card's effect without applying damage calculation. Once per turn, during your turn, you can discard 1 level 4 or lower "Future Warrior" monster to destroy 1 monster on the field. Each time this effect is activated, increase this card's attack by 400.

21. Card Name: Baby Angel

Card Attribute: Light

Card Level: 3

Card Attack: 500

Card Defense: 500

Card Type: Fairy/Effect: This card cannot be selected as an attack target. While this card is face-up on the field, you can change any attack directed toward a face-up "Baby" monster you control to a direct attack on your life points. Whenever this card inflicts battle damage to your opponent's life points, increase your life points by the same amount.

22. Card Name: Rocking Horse

Card Type: Equip Spell

Card Effect: Equip this card only to a face-up "Baby" monster you control. The selected monster can attack your opponent's life points directly. If the equipped monster attacks an opponent's life points directly with this card's effect with an attack higher than 1000, the inflicted damage is treated as 1000. When the equipped monster is destroyed by battle, you can destroy this card instead.

23. Card Name: Phantom from the future

Card Attribute: Wind

Card Level: 6

Card Attack: 2000

Card Defense: 2100

Card Type: Zombie/Effect: This card can only be special summoned by removing 2 "Future Warrior" monsters from your graveyard from play. This monster cannot be destroyed by the effects of spell and trap cards. When this monster attacks a defense position monster with a defense lower than this card, inflict the difference as battle damage. Whenever this monster destroys a monster by battle and sends it to the graveyard, increase the attack and defense of this card by 500.

24. Card Name: Time Travel Device

Card Type: Continuous Spell

Card Effect: Once per turn, in addition to a normal summon, you may normal summon 1 "Future Warrior" monster from your hand. Return that card to your hand at the end of the turn.

25. Card Name Star Knight - Deep Freezer

Card Attribute: Water

Card Level: 10

Card Attack: 3000

Card Defense:

Card Type: Aqua/Effect: This monster can only be special summoned with the effect of "Cosmic Transformation Chamber". You must also send 1 "Star Knight Glacier" you control to the graveyard. Twice per turn, you may reduce the level of 1 face-up "Star Knight" monster you control to select one monster on your opponent's side of the field with a level equal to the number of levels you removed by this effect. The selected monster cannot attack or change battle positions.

26. Card Name: Battle Armor from the Future

Card Type: Equip spell

Card Effect: This card can only be equipped to a face-up "Future Warrior" monster you control. Whenever the equipped monster's attack points increase, you may decrease 1 monster's attack or defense by the same amount. When this card is destroyed while equipped, you may select 1 equip spell card from your deck and add it to your hand.

27. Card Name: Baby Stormcloud

Card Attribute: Wind

Card Level: 2

Card Attack 1100

Card Defense: 200

Card Type: Thunder/Effect: If your opponent controls a thunder monster of level 3 or higher, you can destroy that card to special summon this card to your opponent's side of the field in attack position. When this card is special summoned, you can destroy 1 monster on the field. If "The Valley of Genesis" is face-up on the field, you can offer this face-up monster as a tribute to special summon 1 "Primal Stormcloud - Thunderhead" from your hand.

28. Card Name: Primal Stormcloud - Thunderhead

Card Attribute: Wind

Card Level: 8

Card Attack: 2800

Card Defense: 2400

Card Type: Thunder/Effect: Unless "The Valley of Genesis" is face-up on your side of the field, the effects of this card are negated. While this card is face-up on the field, "The Valley of Genesis" cannot be destroyed. When this monster is normal or special summoned, you can destroy 1 monster on the field. When this monster is destroyed, and sent to the graveyard, you can destroy 1 other "Primal" monster you control to special summon this card from your graveyard.

29. Card Name: Savior of the Future

Card Attribute: Light

Card Level: 7

Card Attack: 2500

Card Defense: 2100

Card Type: Warrior/Effect: If your opponent controls two or more monsters and you control no monsters, you can special summon this card from your hand. This card cannot be destroyed as a result of battle. When this card battles a face-up monster your opponent controls, increase the attack of this card by the original attack of the monster this card battles. If this card inflicts battle damage to an opponent's life points, the battle damage is halved.

30. Card Name: Primal Hawk

Card Attribute: Wind

Card Level: 4

Card Attack: 500

Card Defense: 1100

Card Type: Winged-beast/effect: If "The Valley of Genesis" is face-up on your side of the field, you can special summon this card from your hand. This monster cannot be selected as an attack target. This card can attack your opponent's life points directly. When this card inflicts battle damage to your opponent's life points, place 1 "Life Counter" on "The Valley of Genesis".

Well, thanks for reading, and remember: There's plenty more where that came from!