Narset's Reversal + Expansion // Explosion

Prerequisites

• You have an additional instant or sorcery card in hand with mana value 4 or less and valid targets as applicable.

Steps

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

Effects

• Infinite magecraft triggers