Requires

Archmage Emeritus must be on the battlefield. Chain of Plasma must be in hand. Stuffy Doll must be on the battlefield. Mana needed:

Steps

1. Cast Chain of Plasma targeting Stuffy Doll by paying .
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.

Results