Requires

Queen Allenal of Ruadach must be on the battlefield. Myr Propagator must be on the battlefield. Ashnod's Altar must be on the battlefield. Lightning Greaves must be on the battlefield. Mana needed:

Steps

1. Activate Lightning Greaves' equip ability by paying , attaching it to Myr Propagator.
2. Activate Myr Propagator by paying and tapping it, creating a token copy of itself and a 1/1 Soldier creature token.
3. Activate Ashnod's Altar twice by sacrificing the tapped Myr Propagator and the Soldier, adding .
4. Repeat.
5. Once you have infinite mana, you may forego sacrificing the Myr Propagator and/or Soldier tokens.

Results