Xavier Sal, Infested Captain
Saproling Burst
Intruder Alarm

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield.
Xavier Sal does not have summoning sickness. Saproling Burst has at least two fade counters on it.

   Steps

How does this combo work?
1
Activate Saproling Burst by removing a fade counter from it, creating a */* Saproling creature token.
2
When the Saproling enters the battlefield, Intruder Alarm triggers, untapping all creatures.
3
Activate Xavier Sal's second ability by tapping it and sacrificing the Saproling, putting a fade counter on Saproling Burst.
4
Repeat.

   Results

What do I get from this combo?
Infinite death triggers
Infinite ETB
Infinite LTB
Infinite mana creatures you control can produce
Infinite proliferate
Infinite sacrifice triggers
Infinite untap of creatures
Infinite untap of creatures you control
Xavier Sal, Infested Captain
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