How can you create a combo with Archmage Emeritus, Chain of Plasma, Stuffy Doll?
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[START OF COMBO]This combo can be formed with Archmage Emeritus, Chain of Plasma, Stuffy Doll

Color identity: UR
Mana cost: {1}{R}
Steps:
  1. Cast Chain of Plasma targeting Stuffy Doll by paying {1}{R}.
  2. Archmage Emeritus triggers, drawing a card.
  3. Resolve Chain of Plasma, dealing 3 damage to Stuffy Doll, discarding a card, and copying Chain of Plasma with the same target.
  4. Stuffy Doll and Archmage Emeritus trigger.
  5. Resolve Stuffy Doll's trigger, dealing 3 damage to the chosen opponent.
  6. Resolve Archamage Emeritus's trigger, drawing a card.
  7. Repeat from step 3.
  8. Once you have one card remaining in library, decline to copy Chain of Plasma.[END OF COMBO STEPS]

Result:
  - Infinite card draw
  - Infinite draw triggers
  - Near-infinite damage to one opponent[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Archmage Emeritus must be on the battlefield
  - Chain of Plasma must be in your hand
  - Stuffy Doll must be on the battlefield
  - An opponent chosen with Stuffy Doll.
[END OF COMBO PREREQUISITES]
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