Dark End Dragon [JUMP-EN044] Ultra Rare Base Set Unlimited you can have this card

you can have this card lose 500 ATK and DEF

if your Spellcaster monster battles an opponent's monster (Quick Effect): You can reveal any number of Spells with different names in your hand

you take damage equal to the amount of ATK gained from this effect at the time of the Summon

then if this card is activated while it was Set

You can only use this effect of "Legion the Fiend Jester" once per turn

Dark End Dragon [JUMP-EN044] Ultra Rare Base Set Unlimited you can have this cardSet: Shonen Jump Magazine Promos Card type: Synchro Effect Monster Rarity: Ultra Rare Attack: 2600 Defense: 2100 1 Tuner + 1 or more non Tuner DARK monsters Once per turn, you can have this card lose 500 ATK and DEF, and send 1 monster your opponent controls to the Graveyard.