Amulet of Quoz

Artifact, 6 (6)
Remove Amulet of Quoz from your deck before playing if you're not playing for ante.
{T}, Sacrifice Amulet of Quoz: Target opponent may add the top card of his or her library to the ante. 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.¹
Illus. Dan Frazier

Format Legality	Banned in Vintage, Legacy, Extended, Standard
Printings (1/6)	Ice Age (Rare)