How can you create a combo with Intruder Alarm, Maskwood Nexus, Myr Welder?
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[START OF COMBO]This combo can be formed with Intruder Alarm, Maskwood Nexus, Myr Welder

Color identity: U
Mana cost: 
Steps:
  1. Activate any number of mana-producing creatures you control by tapping them, adding at least {3}.
  2. Activate Myr Welder using Maskwood Nexus's ability by paying {3} and tapping it, creating a 2/2 Shapeshifter creature token.
  3. When the Shapeshifter enters the battlefield, Intruder Alarm triggers, untapping all creatures.
  4. Repeat from step 2.
  5. If creatures you control can tap to produce at least {4}, this combo nets infinite mana.[END OF COMBO STEPS]

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

Other prerequisites:
  - Intruder Alarm must be on the battlefield
  - Maskwood Nexus must be exiled
  - Myr Welder must be on the battlefield
  - Creatures you control can tap to produce at least {3}.
[END OF COMBO PREREQUISITES]
assistant