Refuse // Cooperate + Sevinne, the Chronoclasm

Mana needed: {2}{U} plus enough mana to cast the instant or sorcery from your hand

URW identity

Commander legal

The 2 combo pieces

• Refuse // Cooperate
• Sevinne, the Chronoclasm

What must be in place

You have an instant or sorcery card in hand.

How to execute it

1. Cast any instant or sorcery spell.
2. Holding priority, cast Cooperate from your graveyard by paying {2}{U}.
3. Sevinne triggers, creating a copy of Cooperate, targeting Cooperate.
4. Resolve the copy of Cooperate, creating a copy of Cooperate, targeting Cooperate.
5. Repeat step 4.

What the combo produces

• Infinite magecraft triggers