Oko, Thief of Joy

0: Until your next turn, whenever a creature enters the battlefield under your opponent's control put a loyal counter on Oko, Thief of Joy.
-1: Create a 3/2 green brushwagg creature token with "If this creature blocks or is blocked, it gets -2/+2 until end of turn."
-X: Gain control of target nonland permanent with mana value X or less.