Dualcaster Mage, and Illusionist's Stratagem

Prerequisites

• Dualcaster Mage in hand
• Illusionist's Stratagem in hand
• available

Steps

1. Cast Illusionist's Stratagem by paying its mana cost
2. Holding priority, cast Dualcaster Mage by paying its mana cost
3. When Dualcaster Mage enters, it triggers, copying Illusionist's Stratagem, with the copy targeting Dualcaster Mage
4. Resolve the copy of Illusionist's Stratagem, blinking Dualcaster Mage
5. Repeat from step 3

Results

• Infinite card draw
• Infinite draw triggers
• Near-infinite ETB
• Near-infinite LTB
• Near-infinite magecraft triggers
• Infinite blinking of creatures you control