Cursed Wombat 181 (Modern Horizons 3)

{2}{B}{G}: Adapt 2. (If this creature has no +1/+1 counters on it, put two +1/+1 counters on it.) Permanents you control have "Whenever one or more +1/+1 counters are put on this permanent, put an additional +1/+1 counter on it. This ability triggers only once each turn."

NM - $0.70
LP - $0.70
MP - $0.70
HP - $0.70
DMG - $0.70