How can you create a combo with Sevinne, the Chronoclasm, Refuse // Cooperate?
user
[START OF COMBO]This combo can be formed with Sevinne, the Chronoclasm, Refuse // Cooperate

Color identity: URW
Mana cost: {2}{U} plus enough mana to cast the instant or sorcery from your hand
Steps:
  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.[END OF COMBO STEPS]

Result:
  - Infinite magecraft triggers[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Sevinne, the Chronoclasm must be on the battlefield
  - Refuse // Cooperate must be in the graveyard
  - You have an instant or sorcery card in hand.
[END OF COMBO PREREQUISITES]
assistant