How can you create a combo with Clay-Fired Bricks // Cosmium Kiln, Ashnod's Altar, Urza, Prince of Kroog?
user
[START OF COMBO]This combo can be formed with Clay-Fired Bricks // Cosmium Kiln, Ashnod's Altar, Urza, Prince of Kroog

Color identity: WU
Mana cost: {6}
Steps:
  1. Activate Urza by paying {6}, creating a token copy of Cosmium Kiln that is a 1/1 Soldier.
  2. When the token Cosmium Kiln enters the battlefield, it triggers, creating two 1/1 Gnome artifact creature tokens.
  3. Activate Ashnod's Altar three times by sacrificing the Cosmium Kiln token and the Gnomes, adding six {C}.
  4. Repeat.[END OF COMBO STEPS]

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

Other prerequisites:
  - All permanants must be on the battlefield
  - Clay-Fired Bricks on the battlefield as Cosmium Kiln.
[END OF COMBO PREREQUISITES]
assistant