Marchesa, the Black Rose EDH

Marchesa, the Black Rose is a Grixis (blue-black-red) aristocrats/combo Commander deck built around abusing +1/+1 counters, sacrifice outlets, and recursion. With Marchesa in play, creatures that have counters and die come back at end step, letting the deck repeatedly reuse ETB/death effects and grind out value.

Key synergies include:

• Counter enablers like Unspeakable Symbol, Sage of Fables, Drana, Liberator of Malakir, and Metallic Mimic to make sure creatures return with Marchesa.
• Free sac outlets like Viscera Seer, Carrion Feeder, and Goblin Bombardment to loop creatures for value or damage.
• Recursive/value creatures such as Glen Elendra Archmage, Baleful Strix, Orcish Bowmasters, Phyrexian Metamorph, and Spark Double that become especially strong when repeatedly sacrificed and returned.

The deck can win through:

• Attrition/value loops and chip damage from aristocrats-style play,
• Combo finishes like Kiki-Jiki + Zealous Conscripts,
• Or a