Agatha of the Vile Cauldron + Dormant Volcano + Silvanus's Invoker

RG identity

Commander legal

The 3 combo pieces

• Agatha of the Vile Cauldron
• Dormant Volcano
• Silvanus's Invoker

What must be in place

Agatha of the Vile Cauldron has power 7 or greater.

How to execute it

1. Activate Dormant Volcano by tapping it, adding {C}{R}.
2. Activate Silvanus's Invoker by paying {1}, untapping Dormant Volcano and causing it to become an 8/8 Elemental with trample and haste in addition to its other types until end of turn.
3. Repeat.
4. Once you have infinite mana, you may tap and untap any other land(s) you control, and if you control lands that can produce {R} and {G}, use the mana to activate Agatha of the Vile Cauldron's ability.

What the combo produces

• Infinite colorless mana
• Infinite mana lands you control can produce
• Infinite power and toughness for most creatures you control until end of turn
• Infinite red mana
• Infinite untap of lands you control