Narset's Reversal + Twincast

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

Effects

• Infinite magecraft triggers