Badgermole Cub + Deserted Temple + Rings of Brighthearth + Tectonic Split

Badgermole Cub

Deserted Temple

Rings of Brighthearth

Tectonic Split

How it works

1. Cast Badgermole Cub by paying 1. When it enters, its first ability triggers, targeting any land you control.
2. Activate a land you control by tapping it, adding three mana of any color due to the ability given to it by Tectonic Split.
3. Badgermole Cub's second ability triggers, adding .
4. Activate Deserted Temple's second ability by paying 1 and tapping it, targeting the land.
5. Rings of Brighthearth triggers, causing you to pay 2 to copy Deserted Temple's ability, targeting Deserted Temple.
6. Resolve both Deserted Temple abilities, untapping Deserted Temple and the other land.
7. Repeat from step 2.