How can you create a combo with Synod Artificer, Orochi Hatchery, Intruder Alarm, Ashnod's Altar?
user
[START OF COMBO]This combo can be formed with Synod Artificer, Orochi Hatchery, Intruder Alarm, Ashnod's Altar

Color identity: U
Mana cost: {5}
Steps:
  1. Activate Orochi Hatchery by paying {5} and tapping it, creating at least four 1/1 Snake creature tokens.
  2. Each Snake enters the battlefield, triggering Intruder Alarm that many times, untapping all creatures.
  3. Activate Ashnod's Altar three times by sacrificing three Snakes, adding six {C}.
  4. Activate Synod Artificer's second ability by paying {1} and tapping it, untapping Orochi Hatchery.
  5. Repeat.[END OF COMBO STEPS]

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

Other prerequisites:
  - All permanants must be on the battlefield
  - Synod Artificer does not have summoning sickness.
  - Orochi Hatchery has at least four charge counters on it.
[END OF COMBO PREREQUISITES]
assistant