Xavier Sal, Infested Captain + Intruder Alarm + Dragonspark Reactor
Infinite ETB, Infinite creature tokens, Infinite untap of creatures, Infinite mana creatures you control can produce, Infinite copies of creature tokens you control, Infinite untap of creatures you control
Activate Xavier Sal by tapping it and removing a counter from a permanent you control, creating a copy of an artifact creature token you control.
When the creature token enters the battlefield, Intruder Alarm and Dragonspark Reactor trigger.
Resolve the Intruder Alarm trigger, untapping all creatures.
Resolve the Dragonspark Reactor trigger, putting a counter on it.
Repeat.
Component Cards
How It Works
Activate Xavier Sal by tapping it and removing a counter from a permanent you control, creating a copy of an artifact creature token you control.
When the creature token enters the battlefield, Intruder Alarm and Dragonspark Reactor trigger.
Resolve the Intruder Alarm trigger, untapping all creatures.
Resolve the Dragonspark Reactor trigger, putting a counter on it.
Repeat.