Molten Echoes, Cloudstone Curio, and Akki Rockspeaker

Prerequisites

• Molten Echoes on the battlefield
• Cloudstone Curio on the battlefield
• Akki Rockspeaker in hand
• "Goblin" or "Shaman" chosen with Molten Echoes
• available

Steps

1. Cast Akki Rockspeaker by paying
2. Akki Rockspeaker enters the battlefield, triggering itself, Cloudstone Curio and Molten Echoes
3. Resolve the Akki Rockspeaker 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 Akki Rockspeaker with haste
6. The Akki Rockspeaker token enters the battlefield, triggering itself and Cloudstone Curio
7. Resolve the Akki Rockspeaker trigger, adding
8. Resolve the Cloudstone Curio trigger, returning the nontoken Akki Rockspeaker from the battlefield to your hand
9. Repeat

Results

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