Fallaji Wayfarer
Intruder Alarm
Cavern Harpy

   Prerequisites

What do I need to start this combo?
Cavern Harpy in hand.
Fallaji Wayfarer and Intruder Alarm on the battlefield.
You control an additional blue or black creature.

   Steps

How does this combo work?
1
Cast Cavern Harpy by tapping Fallaji Wayfarer and a blue or black creature.
2
Cavern Harpy enters the battlefield, triggering itself and Intruder Alarm.
3
Resolve the Cavern Harpy trigger, returning it from the battlefield to your hand.
4
Resolve the Intruder Alarm trigger, untapping all creatures.
5
Repeat.

   Results

What do I get from this combo?
Infinite ETB
Infinite LTB
Infinite mana creatures you control can produce
Infinite storm count
Infinite untap of all creatures
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