MTG > Combos > Prototype Portal +Altar of the Brood +Ashnod's Altar +Corridor Monitor +
Cast Prototype Portal imprinting Corridor Monitor
Pay two mana to create a copy of Corridor Monitor with Prototype Portal
With the copy's ability, untap Prototype Portal
Altar of the Brood's ability will trigger, mill an opponent's card.
Sacrifice the copy with Ashnod's Altar to add two mana
Repeat process for infinite mill
Legallity
Commander Legacy Block Casual Conquest Duel Commander Extended Oathbreaker Sealed event Tiny Leaders Vintage
Added by Shoot • reviewed
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