Saitama, Mentor

+1: Until end of turn, all Hero's have Indestructible and First Strike. Prevent all damage dealt to them by Non-Hero creatures
0: Until end of turn Saitama, Mentor becomes a 6/6 Human Hero creature with indestructible that's still a planeswalker. prevent all damage to him.
-20: Put a card named "Saitama, Ultimate Hero" into play from anywhere. It has First Strike and Lifelink in addition to its other abilities.