MTG >Combos >Necrotic Ooze +Devoted Druid +Channeler Initiate +

Devoted Druid and Channeler Initiate must be in your graveyard. Tap Necrotic Ooze to add a green mana Put a -1/-1 counter on Necrotic Ooze to untap it. Tap Necrotic Ooze and remove a -1/-1 counter from it to add one mana of any color. Repeat the process for infinite mana.