Color Identity: B

Initial Card State
- Hyalopterous Lemure in hand.
- Jaws of Defeat on the battlefield.
Mana Needed
- ({4} magic symbol)
({B} magic symbol)
available.
Steps
- Cast Hyalopterous Lemure by paying ({4} magic symbol)
({B} magic symbol)
. - When Hyalopterous Lemure enters the battlefield, Jaws of Defeat triggers.
- Holding priority, activate Hyalopterous Lemure by paying ({0} magic symbol)
, giving it -1/-0 until end of turn. - Repeat step 3 an arbitrarily large number of times.
- Resolve the Jaws of Defeat trigger, causing target opponent to lose life equal to the difference between Hyalopterous Lemure's power and toughness.
Results
- Target opponent loses the game.
- Infinite lifeloss for target opponent.
Bracket Tag
This combo has been estimated to be Ruthless (Bracket 4+).