Phyrexian Rebirth [Mirrodin Besieged] 244 or player instead

or player instead

You can only use each of the following effects of "World Legacy Guardragon Mardark" once per turn

Whenever a player sacrifices a creature

Set: Dark Legends Card type: Effect Monster Rarity: Secret Rare Attack: 2700 Defense: 2500 When you take damage from a card your opponent controls while you control no cards

Set: Star Pack - Battle Royal Card type: Effect Monster Rarity: Starfoil Rare Attack: 1000 Defense: 2000 When this card is Normal or Special Summoned: You can send 1 "Performapal" monster from your Deck to the Graveyard

Phyrexian Rebirth [Mirrodin Besieged] 244 or player insteadSet: Mirrodin Besieged Type: Sorcery Rarity: Rare Cost: {4}{W}{W} Destroy all creatures, then create an X X colorless Phyrexian Horror artifact creature token, where X is the number of creatures destroyed this way. As long as one drop of the oil exists, the joyous work continues.