Arcane Adaptation + Grinning Ignus + Merrow Reejerey + Twinning Glass

Mana needed: {2}{R}{R}

UR identity

Commander legal

The 4 combo pieces

What must be in place

"Merfolk" chosen with Arcane Adaptation.

How to execute it

  1. Cast Grinning Ignus by paying {2}{R}.
  2. Merrow Reejerey triggers, untapping Twinning Glass.
  3. Activate Grinning Ignus by paying {R} and returning it to your hand from the battlefield, adding {C}{C}{R}.
  4. Activate Twinning Glass by paying {1} and tapping it, causing you to cast Grinning Ignus without paying its mana cost.
  5. Repeat from step 2.

What the combo produces