How it works
Prerequisites
- An opponent cannot block creatures you control.
Steps
- 1At the beginning of your combat phase, Terra's first ability triggers, causing you to mill two cards.
- 2Declare Terra and Aurelia as attackers.
- 3Aurelia triggers, causing you to untap all other creatures you control and to get an additional combat phase after this one.
- 4Deal combat damage to an opponent using Terra, triggering its second ability.
- 5Holding priority, activate Ashnod's Altar twice by sacrificing Aurelia and Karmic Guide, adding .
- 6Resolve the Terra ability, choosing to pay to trigger its reflexive ability, returning Karmic Guide from your graveyard to the battlefield tapped.
- 7When Karmic Guide enters the battlefield, it triggers, returning Aurelia from your graveyard to the battlefield.
- 8Repeat each combat phase.
Commander brackets
In which brackets is this combo allowed, per Spellbook's Exhibition tier?