Combo Umbral Mantle +Karametra's Acolyte + Magic: the Gathering MTG

For the combo to work you must have at least four of green devotion. Equip

Umbral Mantle

to

Karametra's Acolyte

. Tap

Karametra's Acolyte

to generate four mana and use three of them to untap

Karametra's Acolyte

with the equipment's ability. Repeat the process, generating infinite mana and leaving the druid with infinite power and toughness. If your devotion is three, you will not be able to produce infinite mana, but the combo of increasing the druid's power and toughness will continue to work.

Legallity