Narset's Reversal + Increasing Vengeance

Prerequisites

• You have an additional instant or sorcery card in hand with valid targets as applicable.

Steps

1. 1Cast any instant or sorcery by paying its mana cost.
2. 2Holding priority, cast Increasing Vengeance by paying its mana cost, targeting the instant or sorcery cast in step 1.
3. 3Cast Narset's Reversal by paying , copying Increasing Vengeance targeting the spell cast in step 1 and returning the original Increasing Vengeance to your hand.
4. 4Cast Increasing Vengeance by paying its mana cost, copying the copy of Increasing Vengeance, targeting the copy of Increasing Vengeance.
5. 5Resolve the copy of Increasing Vengeance, creating a copy of Increasing Vengeance targeting the copy of Increasing Vengeance.
6. 6Repeat step 5.

Effects

• Infinite magecraft triggers