Sevinne, the Chronoclasm, and Increasing Vengeance

Prerequisites

• Sevinne, the Chronoclasm on the battlefield
• Increasing Vengeance in the graveyard
• You have an instant or sorcery card in hand
• plus enough mana to cast the instant or sorcery from your hand available

Steps

1. Cast any instant or sorcery spell
2. Holding priority, cast Increasing Vengeance for its flashback cost by paying
3. Sevinne triggers, creating a copy of Increasing Vengeance, targeting Increasing Vengeance
4. Resolve the copy of Increasing Vengeance, creating a copy of Increasing Vengeance, targeting Increasing Vengeance
5. Repeat step 4

Results

• Infinite magecraft triggers