How can you create a combo with Éomer, Marshal of Rohan, Blade of Selves?
user
[START OF COMBO]This combo can be formed with Éomer, Marshal of Rohan, Blade of Selves

Color identity: R
Mana cost: 
Steps:
  1. Declare Éomer as an attacker.
  2. Éomer's myriad ability triggers, creating at least two token copies of it tapped and attacking each other opponent.
  3. Put all Éomer tokens into your graveyard due to the legend rule.
  4. When the Éomer token(s) die, each Éomer token triggers, untapping all creatures you control and causing you to get an additional combat phase after this one.
  5. Repeat each combat phase.[END OF COMBO STEPS]

Result:
  - Infinite combat phases
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite leaves 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
  - Blade of Selves attached to Éomer.
  - Éomer cannot be blocked and killed by an opponent.
  - You have at least three opponents.
[END OF COMBO PREREQUISITES]
assistant