Accomplished Alchemist + Cloudstone Curio + Minion Reflector

Accomplished Alchemist

Cloudstone Curio

Minion Reflector

How it works

1. Cast Accomplished Alchemist by paying 3.
2. Accomplished Alchemist enters the battlefield, triggering Cloudstone Curio and Minion Reflector.
3. Resolve the Cloudstone Curio trigger, choosing to return nothing to your hand.
4. Resolve the Minion Reflector trigger, causing you to pay 2 to create a token copy of Accomplished Alchemist with haste.
5. The Accomplished Alchemist token enters the battlefield, triggering Cloudstone Curio, returning the nontoken Accomplished Alchemist from the battlefield to your hand.
6. Activate the Accomplished Alchemist token's second ability by tapping it, adding at least seven .
7. Repeat.