Leader's Talent

(Gain the next level as a sorcery to add its ability.) Whenever you attack, put a +1/+1 counter on target attacking creature. 2W: Level 2 Whenever a creature you control leaves the battlefield, if it had a counter on it, you gain 2 life. 3W: Level 3 Whenever you cast a spell, put a +1/+1 counter on each creature you control.