Dualcaster Mage, Reunion of the House, and Bloodflow Connoisseur

Prerequisites

• Dualcaster Mage in hand
• Reunion of the House in hand
• Bloodflow Connoisseur on the battlefield
• undefined available

Steps

1. Cast Reunion of the House by paying
2. Holding priority, cast Dualcaster Mage by paying
3. When Dualcaster Mage enters the battlefield, it triggers, targeting Reunion of the House
4. Holding priority, activate Bloodflow Connoisseur by sacrificing Dualcaster Mage
5. Resolve the Dualcaster Mage trigger, copying Reunion of the House, targeting Dualcaster Mage and any other creature(s) as desired
6. Resolve the copy of Reunion of the House, returning the targeted creatures from your graveyard to the battlefield
7. Repeat from step 3

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite magecraft triggers
• Infinite +1/+1 counters on Bloodflow Connoisseur