How can you create a combo with Trench Behemoth, Fastbond, Radiant Fountain?
user
[START OF COMBO]This combo can be formed with Trench Behemoth, Fastbond, Radiant Fountain

Color identity: GU
Mana cost: 
Steps:
  1. Activate Trench Behemoth by returning Radiant Fountain from the battlefield to your hand, untapping it.
  2. Play Radiant Fountain, triggering it and Fastbond.
  3. Resolve the Radiant Fountain trigger, causing you to gain 2 life.
  4. Resolve the Fastbond trigger, dealing 1 damage to you.
  5. Activate Radiant Fountain by tapping it, adding {C}.
  6. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite colorless mana
  - Infinite landfall triggers
  - Infinite lifegain
  - Infinite lifegain triggers[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
[END OF COMBO PREREQUISITES]
assistant