Ranya, the Merciless

+1: Ranya deals 3 damage to target creature. If that creature would die this turn, put a loyalty counter on Ranya.
0: Renya becomes a 3/2 legendary Human Warrior creature with double strike until end of turn. It's still a planeswalker.
-4: Whenever a creature you control attacks this turn, the defending player loses 1 life.