How can you create a combo with Metalworker, Cogwork Assembler?
user
[START OF COMBO]This combo can be formed with Metalworker, Cogwork Assembler

Color identity: C
Mana cost: 
Steps:
  1. Activate Metalworker by tapping it, causing you to reveal at least four artifact cards in your hand and add at least eight {C}.
  2. Activate Cogwork Assembler by paying {7}, creating a token copy of Metalworker with haste.
  3. Repeat.
  4. At the beginning of your end step, Cogwork Assembler triggers, causing you to exile all Metalworker tokens.[END OF COMBO STEPS]

Result:
  - Infinite colorless mana
  - Infinite creature tokens with haste
  - Infinite enters the battlefield
  - Infinite leaves the battlefield[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - You have at least four artifact cards in hand.
  - Metalworker does not have summoning sickness.
[END OF COMBO PREREQUISITES]
assistant