Dualcaster Mage, Corpse Dance, and Bloodthrone Vampire

Prerequisites

• Dualcaster Mage in hand
• Corpse Dance in hand
• Bloodthrone Vampire on the battlefield
• available

Steps

1. Cast Corpse Dance by paying its mana cost
2. Holding priority, cast Dualcaster Mage by paying its mana cost
3. When Dualcaster Mage enters, it triggers, targeting Corpse Dance
4. Holding priority, activate Bloodthrone Vampire by sacrificing Dualcaster Mage, giving Bloodthrone Vampire +2/+2 until end of turn
5. Resolve the Dualcaster Mage trigger, copying Corpse Dance Resolve the Corpse Dance copy, returning Dualcaster Mage from your graveyard to the battlefield
6. Repeat from step 3

Results

• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite magecraft triggers
• Infinitely large creature until end of turn