Kevin, Druid of the Bud

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