MTG >Combos >Hive Mind +Wound Reflection +Doomsday +

With both enchantments in play, cast Doomsday Hive Mind's ability will trigger, and every other player will copy Doomsday Doomsday will cause each player to lose half their life. At the end of the turn, Wound Reflection's ability will trigger, and opponents will lose the other half of their life.