Cloud of Faeries + Coffin Queen + Intruder Alarm + Phyrexian Tower

Prerequisites

• Coffin Queen does not have summoning sickness.

Steps

1. 1Put Faeries into a graveyard if not already there by casting and/or sacrificing them.
2. 2Activate Coffin Queen targeting Faeries.
3. 3When Faeries enter the battlefield, stack the triggers to untap lands first, then untap Coffin Queen and sacrifice Faeries to Tower while Queen's exile trigger is on the stack.
4. 4Repeat from Step 2.
5. 5If a land you control (other than Tower) taps for more than one mana, make infinite mana.

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