Thello The Sun's Knight

+2: Whenever a creature you control blocks gain 3 life if it blocked a human and 1 if it blocked another creature type
0: create a 3/6 sentinel creature with defender and persist (when this creature dies bring it back with a -1/-1 counter on it)
-12: Gain life equal to the number of sentinels you control and all sentinels gain +4/+4 and remove defender from them