Terra, Herald of Hope + Aurelia, the Warleader + Ashnod's Altar + Archelos, Lagoon Mystic

Prerequisites

• An opponent cannot block creatures you control.

Steps

1. 1At the beginning of your combat phase, Terra's first ability triggers, causing you to mill two cards.
2. 2Declare Terra and Aurelia as attackers.
3. 3Aurelia triggers, causing you to untap all other creatures you control and to get an additional combat phase after this one.
4. 4Deal combat damage to an opponent using Terra, triggering its second ability.
5. 5Holding priority, activate Ashnod's Altar by sacrificing Aurelia, adding .
6. 6Resolve the Terra ability, choosing to pay to trigger its reflexive ability, returning Aurelia from your graveyard to the battlefield untapped due to Archelos.
7. 7Repeat each combat phase.

Effects

• Infinite combat damage
• Infinite combat phases
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite mana creatures you control can produce
• Infinite self-mill
• Infinite untap of creatures you control