Requires

Minion Reflector must be on the battlefield. Cloudstone Curio must be on the battlefield. Priest of Gix must be in hand. Mana needed:

Steps

1. Cast Priest of Gix by paying .
2. Priest of Gix enters the battlefield, triggering itself, Cloudstone Curio and Minion Reflector.
3. Resolve the Priest of Gix trigger, adding .
4. Resolve the Cloudstone Curio trigger, returning nothing from the battlefield to your hand.
5. Resolve the Minion Reflector trigger, causing you to pay to create a token copy of Priest of Gix with haste.
6. The Priest of Gix token enters the battlefield, triggering itself and Cloudstone Curio.
7. Resolve the Priest of Gix trigger, adding .
8. Resolve the Cloudstone Curio trigger, returning the nontoken Priest of Gix from the battlefield to your hand.
9. Repeat.

Results