Brain Control [YSD-EN031] Common Noble Knights of the Round Table Box Set when a Spell/Trap Card is

when a Spell/Trap Card is activated: You can send 1 "Crystal Beast" monster you control to the Graveyard

inflict damage to your opponent equal to half the current ATK of that monster your opponent controls

Set: X Record Pre-Release Promos Card type: Option Rarity: Rare Play Cost: 6 [Main] Trash up to 3 cards in your hand

but how about three decades of Magic cards

Set: Black & White: Dragons Exalted Type: Colorless Rarity: Rare Retreat cost: 0

Brain Control [YSD-EN031] Common Noble Knights of the Round Table Box Set when a Spell/Trap Card isSet: Starter Deck 2006 Card type: Normal Spell Rarity: Common Attack: 0 Defense: 0 Pay 800 Life Points. Select 1 face up monster on your opponent's side of the field. Take control of the selected card until the End Phase of the turn this card is activated.