Forbidden Chalice [BP01-EN082] Starfoil Rare Legendary Hero Decks and it gains that monster's

and it gains that monster's effect(s) and ATK

halve this card's ATK until the end of this turn

except "Gladiator Beast Equeste"

and it was in face-up Attack Position at the start of the Damage Step and when it was destroyed: Special Summon 1 "Sinister Seed Token" (Plant-Type/DARK/Level 1/ATK 100/DEF 100) for every 500 points of battle damage you took from that battle

if your other DARK Spellcaster-Type monster battles an opponent's monster: You can send this card from your hand or face-up from your field to the Graveyard

Forbidden Chalice [BP01-EN082] Starfoil Rare Legendary Hero Decks and it gains that monster'sSet: Battle Pack: Epic Dawn Card type: Quick Play Spell Rarity: Starfoil Rare Target 1 face up monster on the field; until the end of this turn, that target gains 400 ATK, but its effects are negated.