Ragamuffyn, Mortuary, Intruder Alarm, and Ornithopter

Prerequisites

• Ragamuffyn on the battlefield
• Mortuary on the battlefield
• Intruder Alarm on the battlefield
• Ornithopter on the battlefield
• Ragamuffyn does not have summoning sickness
• You have no cards in hand

Steps

1. Activate Ragamuffyn by tapping it and sacrificing Ornithopter
2. When Ornithopter dies, Mortuary triggers, putting Ornithopter on top of your library from your graveyard
3. Resolve the Ragamuffyn ability, causing you to draw Ornithopter from your library
4. Cast Ornithopter by paying
5. When Ornithopter enters the battlefield, Intruder Alarm triggers, untapping all creatures
6. Repeat

Results

• Infinite death triggers
• Infinite draw triggers
• Infinite ETB
• Infinite LTB
• Infinite mana creatures you control can produce
• Infinite sacrifice triggers
• Infinite storm count
• Infinite untap of all creatures