How can you create a combo with Trench Behemoth, Fastbond, Crypt of the Eternals?
user
[START OF COMBO]This combo can be formed with Trench Behemoth, Fastbond, Crypt of the Eternals

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

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

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