Increasing Vengeance + Narset's Reversal

Mana needed: {U}{U}{R}{R} plus enough mana to cast the additional instant or sorcery

UR identity

Commander legal

The 2 combo pieces

• Increasing Vengeance
• Narset's Reversal

How to execute it

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

What the combo produces

• Infinite magecraft triggers