Prismari, the Inspiration + Increasing Vengeance

Prerequisites

• You have another instant or sorcery card in hand with the mana to cast it and applicable target(s) if needed.

Steps

1. 1Cast any other 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. 3Increasing Vengeance's storm ability triggers, creating at least one copy of Increasing Vengeance targeting the original Increasing Vengeance.
4. 4Resolve a copy of Increasing Vengeance, copying Increasing Vengeance targeting the original Increasing Vengeance.
5. 5Repeat step 4.

Effects

• Infinite magecraft triggers