MTG >Combos >Devoted Druid +Ivy Lane Denizen +Hapatra, Vizier of Poisons +

Tap Devoted Druid to add one green mana Put a -1/-1 counter to untap Devoted Druid Hapatra's ability will trigger, put a snake token. Ivy Lane Denizen's ability will trigger, put a +1/+1 counter on Devoted Druid. Repeat the process.