Komachi, Shinigami

+1: Exchange "Unvalued Life, Valued Life": Sacrifice target creature. Return a target creature from Exile
-1: Poor Fate "Your Days Are Numbered": Put 3 time counters on target creature. Once they are all gone, send that creature to exile
-3: Death Price "Price of Life": Lose 3 life. Target player either sacrifices 5 target creatures, or lose 5 life