Umbral Mantle + Gyre Sage
Produces: Infinite green mana, Infinitely large creature until end of turn, Infinite untap of creatures you control, Infinite mana creatures you control can produce


- Color identity
- G
Prerequisites
Umbral Mantle attached to Gyre Sage. Gyre Sage does not have summoning sickness, and has at least three +1/+1 counters on it.
Steps
- Activate Gyre Sage by tapping it, adding at least three mana of any color.
- Activate Gyre Sage by paying {3} and untapping it, giving it +2/+2 until end of turn.
- Repeat.