Molten Echoes, Cloudstone Curio, and Priest of Gix

Prerequisites

• Molten Echoes on the battlefield
• Cloudstone Curio on the battlefield
• Priest of Gix in hand
• "Human", "Cleric", or "Minion" chosen with Molten Echoes
• available

Steps

1. Cast Priest of Gix by paying
2. Priest of Gix enters the battlefield, triggering itself, Cloudstone Curio and Molten Echoes
3. Resolve the Priest of Gix trigger, adding
4. Resolve the Cloudstone Curio trigger, choosing to return nothing from the battlefield to your hand
5. Resolve the Molten Echoes trigger, creating 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

• Infinite black mana
• Infinite creature tokens with haste
• Infinite ETB
• Infinite LTB
• Infinite storm count