Elri, Conceited Trainer

: Whenever a creature you control leaves the battlefield, target opponent loses 1 life unless they discard a card. You gain 1 life.
+2: Until your next turn, up to one target creature get +3/+3 or gains first strike, reach, or haste.
-6: For each creature you control, put your choice of a first strike, reach, or haste counter on it.