How it works
Prerequisites
- You have another instant and/or sorcery card in hand that can be cast using four or less colored mana.
- You have enough mana to cast the additional instant or sorcery.
Steps
- 1Cast any other instant or sorcery spell by paying its mana cost.
- 2Swarm Intelligence and Storm-Kiln Artist trigger.
- 3Resolve the Storm-Kiln Artist trigger, creating a Treasure artifact token.
- 4Resolve the Swarm Intelligence trigger, copying the spell.
- 5Storm-Kiln Artist triggers, creating a Treasure artifact token.
- 6Resolve the copy of the instant or sorcery.
- 7Holding priority, activate the Treasures by tapping and sacrificing them, adding .
- 8Cast Narset's Reversal by paying , targeting the spell cast in step 1.
- 9Swarm Intelligence and Storm-Kiln Artist trigger.
- 10Resolve the Storm-Kiln Artist trigger, creating a Treasure artifact token.
- 11Resolve the Swarm Intelligence trigger, copying Narset's Reversal, with the copy targeting the original Narset's Reversal.
- 12Storm-Kiln Artist triggers, creating a Treasure artifact token.
- 13Resolve the copy of Narset's Reversal, copying Narset's Reversal with the copy targeting the spell cast in step 1, and then returning the original Narset's Reversal to your hand.
- 14Storm-Kiln Artist triggers, creating a Treasure artifact token.
- 15Resolve the Narset's Reversal copy, copying the spell it is targeting and returning the original spell to your hand.
- 16Storm-Kiln Artist triggers, creating a Treasure artifact token.
- 17Resolve the copy of the spell.
- 18Activate any number of Treasures by tapping and sacrificing them, adding enough mana to cast the additional instant or sorcery.
- 19Repeat.
- 20If the additional spell can be cast for less than four mana, this combo nets infinite mana, which may be used to repeat this combo targeting any other instant and/or sorcery card in your hand and/or on the stack.
Commander brackets
In which brackets is this combo allowed, per Spellbook's Exhibition tier?