Mana Echoes + Sprout Swarm
Mana needed: {4}{G}
RG identity
Commander legal
The 2 combo pieces
What must be in place
You control at least three Saprolings.
How to execute it
- Cast Sprout Swarm, paying {3} for the buyback.
- Mana Echoes triggers as the Saproling token ETBs, adding colorless mana equal to the number of Saprolings you control.
- Spend the mana to cast Sprout Swarm again, convoking the new Saproling token to pay the colored mana cost.
What the combo produces
- Infinite colorless mana
- Infinite tapped creature tokens