How can you create a combo with Cayth, Famed Mechanist, Thornbite Staff, Ashnod's Altar?
user
[START OF COMBO]This combo can be formed with Cayth, Famed Mechanist, Thornbite Staff, Ashnod's Altar

Color identity: URW
Mana cost: {2}
Steps:
  1. Activate Cayth by paying {2} and tapping it, creating a copy of a creature token you control.
  2. Activate Ashnod's Altar by sacrificing the creature token, adding {C}{C}.
  3. When the creature dies, Cayth triggers, untapping Cayth.
  4. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite leaves the battlefield
  - Infinite enters the battlefield
  - Infinite sacrifice triggers
  - Infinite death triggers[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Thornbite Staff attached to Cayth.
  - Cayth does not have summoning sickness.
  - You control at least one creature token.
[END OF COMBO PREREQUISITES]
assistant