Ulamog's Dreadsire
Intruder Alarm

   Prerequisites

What do I need to start this combo?
Ulamog's Dreadsire and Intruder Alarm on the battlefield.
Ulamog's Dreadshire does not have summoning sickness.

   Steps

How does this combo work?
1
Activate Ulamog's Dreadsire by tapping it, creating a 10/10 Eldrazi creature token.
2
When the Eldrazi enters the battlefield, Intruder Alarm triggers, untapping all creatures.
3
Repeat.

   Results

What do I get from this combo?
Infinite creature tokens
Infinite ETB
Infinite mana creatures you control can produce
Infinite untap of creatures
Infinite untap of creatures you control
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