The Aetherspark, Brass Squire, Aggravated Assault, and Emry, Lurker of the Loch

Prerequisites

• The Aetherspark in hand or in the graveyard
• Brass Squire on the battlefield
• Aggravated Assault on the battlefield
• Emry, Lurker of the Loch on the battlefield
• undefined available

Steps

1. If The Aetherspark is in your graveyard, activate Emry by tapping it, allowing you to cast The Aetherspark from your graveyard this turn
2. Cast The Aetherspark either from your hand or from your graveyard by paying
3. Activate Brass Squire by tapping it, attaching The Aetherspark to a creature you control that has exactly 6 power
4. Deal combat damage to an opponent using the creature that has The Aetherspark attached, triggering The Aetherspark, putting six loyalty counters on it
5. Activate The Aetherspark's third loyalty ability by removing ten loyalty counters from it, adding ten
6. The Aetherspark is put into your graveyard as a state-based action due to having 0 loyalty
7. Activate Aggravated Assault by paying , causing you to untap all creatures you control and to get an additional combat and main phase after this one
8. Repeat

Results

• Infinite colored mana
• Infinite storm count
• Infinite combat phases
• Infinite untap of creatures you control
• Infinite mana creatures you control can produce
• Infinite combat damage