Agatha's Soul Cauldron + Grinning Ignus + Heartless Summoning

Mana needed: {1}{R}

BR identity

Commander legal

The 3 combo pieces

• Agatha's Soul Cauldron
• Grinning Ignus
• Heartless Summoning

How to execute it

1. Cast Grinning Ignus by paying {R}.
2. Activate Grinning Ignus' ability by paying {1} due to Agatha's Soul Cauldron and returning it from the battlefield to your hand, adding {C}{C}{R}.
3. Repeat.

What the combo produces

• Infinite colored mana that can only be spent to activate abilities of creatures
• Infinite colorless mana
• Infinite creature LTB
• Infinite ETB
• Infinite storm count