pokemon card dark charizard 1997 Japanese Rocket Holo #6 PSA 8 – Yamacardo Dark Charizard | Extended Art

Cards like K'rrik, Son of Yawgmoth and G'raha Tia, Scion Reborn offer powerful abilities that cost life to activate

If you're willing to take that risk, it will return cards from your graveyard to your hand, draw you cards, or reanimate creatures from an opponent that they have to defend because that player will lose if their creature dies

It could even be triggered by casting a spell - the spell would say "When you cast this spell, Discover X"

These are persistent across expansions and pack types , so you'll accumulate them over time no matter which packs you're opening

The power needed for the casualty sacrifice is listed on the spell through its Casualty number