Vigean Graftmage + Nature's Revolt + Caged Sun

Vigean Graftmage

Nature's Revolt

Caged Sun

How it works

1. Play the land that taps for multiple mana.
2. That land enters as a creature due to Nature's Revolt, triggering Vigean Graftmage's Graft ability, allowing you to move a +1/+1 counter from Vigean Graftmage to that land.
3. Activate that land by tapping it, adding at least two mana.
4. Caged Sun triggers, adding at least one additional mana.
5. Activate Vigean Graftmage by paying 1, untapping the land creature.
6. Repeat.