Mirror Box Combos
Ioreth of the Healing House + Mirror Box + Mirror Image
Combo result
Infinite mana legendary creatures you control can produce. Infinite untap of legendary creatures you control.
Prerequisites
All permanents on the battlefield without summoning sickness. You control at least one additional legendary creature. Mirror Image on the battlefield as a copy of Ioreth.
Splinter Twin + Mirror Box + Aurelia, the Warleader
Saheeli Rai + Mycosynth Lattice + Mirror Box
Saheeli Rai + Liquimetal Torque + Mirror Box
Saheeli Rai + Liquimetal Coating + Mirror Box
Saheeli Rai + Encroaching Mycosynth + Mirror Box
Radiant Performer + In Bolas's Clutches + Mirror Box
Omarthis, Ghostfire Initiate + Mirage Mirror + Mirror Box
Moritte of the Frost + Omarthis, Ghostfire Initiate + Mirror Box
Moritte of the Frost + Ioreth of the Healing House + Mirror Box
Combo result
Infinite mana legendary creatures you control can produce. Infinite untap of legendary creatures you control.
Prerequisites
All permanents on the battlefield without summoning sickness. You control at least one additional legendary creature. Moritte on the battlefield as a copy of Ioreth.
Mindslaver + Mechanized Production + Mirror Box
Medomai the Ageless + Identity Thief + Mirror Box
Aminatou, the Fateshifter + Astral Dragon + Mirror Box
Ioreth of the Healing House + Mirror Box + Glasspool Mimic // Glasspool Shore
Combo result
Infinite mana legendary creatures you control can produce. Infinite untap of legendary creatures you control.
Prerequisites
All permanents on the battlefield without summoning sickness. You control at least one additional legendary creature. Glasspool Mimic on the battlefield as a copy of Ioreth.
Ioreth of the Healing House + Mirror Box + Clone
Combo result
Infinite mana legendary creatures you control can produce. Infinite untap of legendary creatures you control.
Prerequisites
All permanents on the battlefield without summoning sickness. You control at least one additional legendary creature. Clone on the battlefield as a copy of Ioreth.
Gisela, Blade of Goldnight + Blade of Selves + Mirror Box
Ghalta, Stampede Tyrant + Cloudstone Curio + Mirror Box
Frodo, Sauron's Bane + Legion Loyalty + Mirror Box
Frodo, Sauron's Bane + Blade of Selves + Mirror Box
Combo result
Each opponent loses the game.
Prerequisites
All permanents on the battlefield. Frodo does not have summoning sickness. Blade of Selves attached to Frodo. You have been tempted by the Ring at least four times this game. Opponents are unable to block creatures you control. {W/B}{W/B}{B}{B}{B} available.
Etrata, the Silencer + Blade of Selves + Mirror Box
Combo result
Each opponent loses the game.
Prerequisites
All permanents on the battlefield. Blade of Selves attached to Etrata. Etrata does not have summoning sickness. An opponent owns at least two cards in exile with hit counters on them. Each opponent controls at least three nontoken creatures, minus one for each card they own in exile with a hit counter on it.