Altaïr Ibn-La'Ahad, Éomer, Marshal of Rohan, Wulfgar of Icewind Dale, and Ashes of the Fallen

Prerequisites

• Altaïr Ibn-La'Ahad on the battlefield
• Éomer, Marshal of Rohan in the graveyard
• Wulfgar of Icewind Dale on the battlefield
• Ashes of the Fallen on the battlefield

Steps

1. Declare Altaïr as an attacker, triggering its ability twice
2. Resolve a Altaïr trigger, exiling Éomer from your graveyard with a memory counter on it and creating a tapped and attacking copy of Éomer
3. Resolve the other Altaïr trigger, creating a tapped and attacking copy of Éomer
4. Put either Éomer token into your graveyard due to the legend rule, triggering the other Éomer token, causing you to untap all creatures you control and to get an additional combat phase after this one
5. At the end of your combat phase, Altaïr triggers, causing you to exile the Éomer token
6. Repeat each combat phase

Results

• Infinite LTB
• Infinite ETB
• Infinite death triggers
• Infinite combat phases