Jaws of Defeat, and Viscid Lemures

Prerequisites

• Jaws of Defeat on the battlefield
• Viscid Lemures in hand
• available

Steps

1. Cast Viscid Lemures by paying When Viscid Lemures enters the battlefield, Jaws of Defeat triggers
2. Holding priority, activate Viscid Lemures by paying , giving it -1/-0 and swampwalk until end of turn
3. Repeat step 3 an arbitrarily large number of times
4. Resolve the Jaws of Defeat trigger, causing an opponent to lose life equal to the difference between Viscid Lemures' power and toughness

Results

• Target opponent loses the game
• Infinite lifeloss for target opponent