Bartolomé del Presidio, Dualcaster Mage, and Second Sunrise

Prerequisites

• Bartolomé del Presidio on the battlefield
• Dualcaster Mage in hand
• Second Sunrise in hand
• available

Steps

1. Cast Second Sunrise by paying its mana cost Holding priority, cast Dualcaster Mage by paying its mana cost
2. When Dualcaster Mage enters, it triggers, targeting Second Sunrise
3. Holding priority, activate Bartolomé del Presidio by sacrificing Dualcaster Mage
4. Resolve the Dualcaster Mage trigger, copying Second Sunrise Resolve the Second Sunrise copy, returning Dualcaster Mage from your graveyard to the battlefield
5. Repeat from step 3

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite magecraft triggers
• Infinite +1/+1 counters on Bartolomé del Presidio
• Infinite recursion of creature cards in your graveyard