Lopusik, magic squirrel

: Whenever opponent loose a life, put +1/+1 counter on target creature.
+3: Target creature gets -1/-1 counter and target creature your control gets +1/+1 counter. Target planeswalker loose 1 loyalty.
-X: X target creatures get -X/-X counter and X creatures your control get +X/+X counter. Target planeswalker loose X loyalty.