Kevin, Druid of the Bud

+1: tetrahydrocannabinol: Tap up to 2 creatures you control, gain a Kush counter for each tapped this way.
+2: Asphyxiate: Sacrifice 10 Kush counters, you may play up to two cards from your opponents hand without paying their mana costs.
+10: Greens: Each Kush counter on Druid of the Bud give him +0/+2