Shard of the Nightbringer + Archfiend of Despair

Prerequisites

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Steps

1. 1Cast Shard of the Nightbringer by paying .
2. 2Shard of the Nightbringer triggers, causing an opponent to lose half their life total, rounded up, and you to gain life equal to the life lost this way.
3. 3At the beginning of your end step, Archfiend of Despair triggers, causing each opponent to lose life equal to the life they lost this turn.
4. 4The opponent targeted in step 2 loses the game due to having zero or less life.

Effects

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