Twinning Staff + Narset's Reversal

Prerequisites

• an instant or sorcery spell in hand.
• Mana available to cast the instant or sorcery spell.

Steps

1. 1Cast the instant or sorcery spell.
2. 2Holding priority, cast Narset's Reversal by paying , targeting the instant or sorcery spell.
3. 3Holding priority, activate twinning staff by paying targeting Narset's Reversal, copying Narset's Reversal twice.
4. 4Resolve one copy of Narset's Reversal targeting another copy of Narset's Reversal, copying it twice and returning the targeted copy to your hand.
5. 5Repeat step 4.

Effects

• Infinite magecraft triggers