How can you create a combo with Myrel, Shield of Argive, Lithoform Engine, Clock of Omens, Phyrexian Altar?
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[START OF COMBO]This combo can be formed with Myrel, Shield of Argive, Lithoform Engine, Clock of Omens, Phyrexian Altar

Color identity: W
Mana cost: {2}
Steps:
  1. Declare Myrel as an attacker, triggering its ability.
  2. Holding priority, activate Lithoform Engine's first ability by paying {2} and tapping it, copying Myrel's ability.
  3. Resolve the copy of Myrel's ability, creating at least three 1/1 Soldier artifact creature tokens.
  4. Activate Clock of Omens by tapping two Soldiers, untapping Lithoform Engine.
  5. Activate Phyrexian Altar twice by sacrificing two Soldiers, adding {2}.
  6. Repeat from step 2.[END OF COMBO STEPS]

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

Other prerequisites:
  - All permanants must be on the battlefield
  - You control at least three Soldiers.
  - Myrel does not have summoning sickness.
[END OF COMBO PREREQUISITES]
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