Mana Echoes +Corridor Monitor +Lithoform Engine +

Infinite ETBs Infinite Mana Infinite Token Revised by CR

Needs 10 colorless manas and one blue Cast Corridor Monitor While Corridor Monitor is on the stack copy it with Lithoform Engine Let the copy resolve Arrange the triggers for Corridor Monitor and Mana Echoes so Corridor Monitor untaps Lithoform Engine first Before Mana Echoes resolves copy the original Corridor Monitor with Lithoform engine Corridor Monitor untaps Lithoform Engine and Mana Echoes adds 1 colorless mana Copy the first Corridor Monitor while it's still on the stack The 3rd Corridor Monitor token untaps Lithoform Engine and adds 3colorless manas Copy Corridor Monitor with Lithoform Engine one more time to net 4 colorless mana and untapping Lithoform Engine Repeat for infinite Corridor Monitors and colorless mana

Legallity

Commander Legacy Block Casual Conquest Duel Commander Extended Oathbreaker Sealed event Tiny Leaders Vintage

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