How can you create a combo with Weaver of Harmony, Intruder Alarm?
user
[START OF COMBO]This combo can be formed with Weaver of Harmony, Intruder Alarm

Color identity: GU
Mana cost: 
Steps:
  1. Cast a creature card from your hand by paying its mana cost.
  2. The creature enters the battlefield, triggering Intruder Alarm.
  3. Holding priority, activate all mana-producing creatures you control by tapping them, adding at least {1}{G}.
  4. Activate Weaver of Harmony by paying {G} and tapping it, copying Intruder Alarm's trigger.
  5. Resolve the copy of Intruder Alarm's trigger, untapping all creatures.
  6. Repeat from step 3.[END OF COMBO STEPS]

Result:
  - 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
  - You have a creature card in hand.
  - Creatures you control can tap to produce at least {1}{G}.
  - Weaver of Harmony does not have summoning sickness.
  - You are able to cast the creature card.
[END OF COMBO PREREQUISITES]
assistant