Aluren, Molten Echoes, and Man-o'-War

Prerequisites

• Aluren on the battlefield
• Molten Echoes on the battlefield
• Man-o'-War in hand
• "Jellyfish" chosen with Molten Echoes

Steps

1. Cast Man-o'-War without paying its mana cost
2. Man-o'-War enters the battlefield, targeting itself
3. Molten Echoes triggers, creating a token copy of Man-o'-War
4. Token copy of Man-o'-War enters the battlefield, returning original Man-o'-War to hand
5. Resolve the original Man-o'-War triggers, fails to resolve due to having no legal targets
6. Repeat

Results

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