Amulet of Quoz | Magic: The Gathering
Formats Amulet of Quoz is Legal in
Official Oracle Text for Amulet of Quoz
, Sacrifice Amulet of Quoz: Target opponent may ante the top card of his or her library. If he or she doesn't, you flip a coin. If you win the flip, that player loses the game. If you lose the flip, you lose the game. Activate this ability only during your upkeep.