MTG >Combos >Prototype Portal +Blood Artist +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 Sacrifice the copy with Ashnod's Altar to add two mana Blood Artist's ability will trigger, dealing 1 damage to the opponent. Repeat process for infinite damage