Legendary Planeswalker— Serra

Whenever a creature you control dies, put a loyalty counter on Serra the Heartless and each opponent loses 1 life.+1: Sacrifice a creature. Creatures you control gain deathtouch until your next turn.-3: Gain control of target creature. Untap that creature. Sacrifice it at the beginning of the next end step.-5: You get an emblem with "As long as you control a Serra planeswalker, if you would lose the game, instead sacrifice 10 permanents you control and your life total becomes 1"