Archmage Emeritus + Chain of Plasma + Stuffy Doll

Prerequisites

An opponent chosen with Stuffy Doll.

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.