How can you create a combo with Xavier Sal, Infested Captain, Intruder Alarm, Good-Fortune Unicorn?
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[START OF COMBO]This combo can be formed with Xavier Sal, Infested Captain, Intruder Alarm, Good-Fortune Unicorn

Color identity: GWUB
Mana cost: 
Steps:
  1. Activate Xavier Sal's first ability by tapping it and removing a counter from a permanent you control, creating a copy of any creature token you control.
  2. When the creature token enters the battlefield, Intruder Alarm and Good-Fortune Unicorn trigger.
  3. Resolve the Intruder Alarm trigger, untapping all creatures.
  4. Resolve the Good-Fortune Unicorn trigger, putting a +1/+1 counter on the creature token.
  5. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite creature tokens
  - Infinite enters the battlefield
  - Infinite mana creatures you control can produce
  - Infinite untap of all creatures[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - There is at least one counter on a permanent you control.
  - You control at least one creature token.
[END OF COMBO PREREQUISITES]
assistant