Dualcaster Mage, and Molten Duplication

Prerequisites

• Dualcaster Mage on the battlefield
• Molten Duplication in hand
• You control at least one creature
• You have enough mana to cast Molten Duplication available

Steps

1. Cast Molten Duplication by paying its mana cost, targeting a creature you control
2. Holding priority, cast Dualcaster Mage by paying
3. When Dualcaster Mage enters the battlefield, it triggers, copying Molten Duplication, targeting Dualcaster Mage
4. Resolve the copy of Molten Duplication, creating a token copy of Dualcaster Mage with haste
5. Repeat from step 3

Results

• Infinite ETB
• Infinite magecraft triggers
• Infinite LTB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite creature tokens with haste