Audacious Reshapers + Mortuary + Intruder Alarm + Guardian Automaton

Prerequisites

• Audacious Reshapers does not have summoning sickness.

Steps

1. 1Activate Audacious Reshapers by tapping it and sacrificing Guardian Automaton.
2. 2When Guardian Automaton dies, it and Mortuary trigger.
3. 3Resolve the Guardian Automaton trigger, causing you to gain 3 life.
4. 4Resolve the Mortuary trigger, putting Guardian Automaton on top of your library from your graveyard.
5. 5Resolve the Audacious Reshapers ability, revealing Guardian Automaton from the top of your library, then putting it onto the battlefield and dealing 1 damage to you.
6. 6When Guardian Automaton enters the battlefield, Intruder Alarm triggers, untapping all creatures.
7. 7Repeat.

Effects

• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite lifegain
• Infinite lifegain triggers
• Infinite mana creatures you control can produce
• Infinite untap of creatures