Sakura, Healer of Heroes

+2: Target creature you control gains Haste and Lifelink until end of turn
-3: Until you next turn, Sakura, Healer of Heroes becomes a legendary 5/5 Human Shinobi with Haste, Lifelink, and Indestructable
-15: You get an emblem with "All creatures you control have Haste, Lifelink, Indestructible, and +4/+4"