How can you create a combo with Skullbriar, the Walking Grave, Triad of Fates, Intruder Alarm?
user
[START OF COMBO]This combo can be formed with Skullbriar, the Walking Grave, Triad of Fates, Intruder Alarm

Color identity: GWUB
Mana cost: 
Steps:
  1. Activate a mana-producing creature by tapping it, adding at least {W}.
  2. Actviate Triad of Fates' second ability by paying {W} and tapping it, blinking Skullbriar.
  3. When Skullbriar enters the battlefield, Intruder Alarm triggers, untapping all creatures.
  4. Repeat.
  5. If creatures you control can produce at least {1}{W}, this combo will net infinite mana.[END OF COMBO STEPS]

Result:
  - Infinite enters the battlefield
  - Infinite leaves 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
  - Triad of Fates does not have summoning sickness.
  - Skullbriar has at least one fate counter on it.
  - You control a creature that can tap to produce at least {W}.
[END OF COMBO PREREQUISITES]
assistant