How can you create a combo with Shaun, Father of Synths, Aurelia, the Warleader?
user
[START OF COMBO]This combo can be formed with Shaun, Father of Synths, Aurelia, the Warleader

Color identity: URW
Mana cost: 
Steps:
  1. Declare Aurelia as an attacker, triggering it and Shaun's first ability.
  2. Resolve the Shaun trigger, creating a tapped and attacking copy of Aurelia that is a nonlegendary Synth in addition to its other types.
  3. Resolve the Aurelia trigger, untapping all creatures you control and causing you to get an additional combat phase after this one.
  4. Repeat each combat phase.[END OF COMBO STEPS]

Result:
  - Infinite combat phases
  - Infinite creature tokens with haste
  - Infinite enters the battlefield
  - Infinite mana creatures you control can produce
  - Infinite untap of creatures you control[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - An opponent cannot block and kill creatures you control.
[END OF COMBO PREREQUISITES]
assistant