Archfiend of Despair [Commander Masters] Shadowmoor When you exile a nonland

When you exile a nonland card this way

Set: Collectors' Edition Type: Instant Rarity: Common Cost: {R} Choose one —

And *Homelands*

Set: The List Type: Legendary Creature — Sphinx Rarity: Rare Cost: {4}{U}{U} Flying

Then if this is the second time this ability has resolved this turn

Archfiend of Despair [Commander Masters] Shadowmoor When you exile a nonlandSet: Commander Masters Type: Creature Demon Rarity: Mythic Cost: {6}{B}{B} Flying Your opponents can't gain life. At the beginning of each end step, each opponent loses life equal to the life that player lost this turn. (Damage causes loss of life.) Flying Your opponents can't gain life. At the beginning of each end step, each opponent loses life equal to the life that player lost this turn. (Damage causes loss of life.)