Aluren, Snap, and Dualcaster Mage

Prerequisites

• Aluren on the battlefield
• Snap in hand
• Dualcaster Mage in hand
• available

Steps

1. Cast Snap by paying its mana cost
2. Holding priority, cast Dualcaster Mage without paying its mana cost due to Aluren
3. When Dualcaster Mage enters, it triggers, copying Snap, targeting Dualcaster Mage
4. Resolve the Snap copy, returning Dualcaster Mage from the battlefield to your hand and untapping up to two lands you control
5. Repeat from step 2

Results

• Infinite ETB
• Infinite LTB
• Infinite storm count
• Infinite mana lands you control can produce
• Infinite magecraft triggers
• Infinite untap of lands you control