Bogbrew Witch + Festering Newt + Mortuary + Ashnod's Altar + Intruder Alarm

Prerequisites

• Bogbrew Witch does not have summoning sickness.

Steps

1. 1Activate Bogbrew Witch by paying and tapping it, searching your library for Festering Newt and putting it onto the battlefield.
2. 2When Festering Newt enters the battlefield, Intruder Alarm triggers, untapping all creatures.
3. 3Activate Ashnod's Altar by sacrificing Festering Newt, adding .
4. 4When Festering Newt dies, it and Mortuary trigger.
5. 5Resolve the Festering Newt trigger, giving any creature an opponent controls -4/-4 until end of turn.
6. 6Resolve the Mortuary trigger, putting Festering Newt on top of your library from your graveyard.
7. 7Repeat.

Effects

• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite mana creatures you control can produce
• Infinite untap of creatures
• Reduce the toughness of creatures opponents control to 0