Messor, Lord of Light

+2: Put a +1/+1 counter on each white creature you control and a loyalty counter on each other white planeswalker you control.
-3: Put a 3/3 white angel onto the battlefield. It has flying, first strike, and lifelink.
-12: You get an emblem with "Whenever a card leaves the battlefield, you may cast it without paying it's mana cost.