MTG >Combos >Prototype Portal +Sol Ring +Corridor Monitor +Gandalf the White +

Requisiltos: Gandalf, the White on the battlefield, the other permanents in hand 1 - Conjure the Prototype Portal. The

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ability will trigger twice, exile the sun ring and the hallway supervisor from your hand; 2 - Using the Prototype Portal ability, for X = 3, create a token copy of the sun ring and a token copy of the hallway supervisor; 3 - The Hallway Supervisor ability will enter the stack. Target the sun ring and the Prototype Portal; 4 - In response to the Hallway Supervisor ability on the stack, activate the sun ring's mana ability, generating two colorless mana (2 in the pool); 5 - With the Hallway Supervisor ability, untap the sun ring and the Prototype Portal; 6 - Activate the sun ring's ability, generating two colorless mana (4 in the pool); 7 - Repeat from step 2. Results: - Infinite colorless mana; - Infinite token copies of the sun ring and the hallway supervisor.