How can you create a combo with Elemental Mastery, Black Carriage?
user
[START OF COMBO]This combo can be formed with Elemental Mastery, Black Carriage

Color identity: BR
Mana cost: 
Steps:
  1. During your upkeep, activate Black Carriage by tapping it, creating at least four 1/1 Elemental creature tokens.
  2. Activate Black Carriage by paying {0} and sacrificing an Elemental token, untapping Black Carriage.
  3. Repeat.[END OF COMBO STEPS]

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

Other prerequisites:
  - All permanants must be on the battlefield
  - Elemental Mastery attached to Black Carriage.
[END OF COMBO PREREQUISITES]
assistant