Hay-Lae-Liel of Valshire

+1: You gain life equal to the greatest toughness out of creatures you control.
-X: Hay-Lae-Liel becomes an X/X green and white Dragon creature with indestructible, flying, and trample over planeswalkers until end of turn.
-8: You get an emblem with "At the beginning of your upkeep, put a +1/+1 counter on each creature you control."