Activate Sage of the Maze's second ability by tapping it, causing the Gate to become a creature.
Cast Springheart Nantuko for its bestow cost by paying {1}{G}, attaching it to the animated Gate.
Play a land.
When the land enters, Springheart Nantuko triggers.
Holding priority, activate Sage of the Maze's third ability by tapping an untapped Gate, untapping Sage of the Maze.
Activate Sage of the Maze's first ability by tapping it, adding {1}{G}.
Resolve the Springheart Nantuko trigger, causing you to pay {1}{G} to create a token copy of the Gate it is attached to.
Repeat from step 4.

Infinite landfall triggers

Infinite tapped copies of the Gate

Gate That Enters Untapped

Sage of the Maze

Springheart Nantuko

Activate Sage of the Maze's first ability by tapping it, adding {U} and one mana of any color.
Activate Freed from the Real's second ability by paying {U}, untapping Sage of the Maze.
Repeat.

Infinite colored mana

Freed from the Real

Activate Sage of the Maze by tapping it, adding {G}{G}.
Activate Scryb Ranger by returning it from the battlefield to your hand, untapping Sage of the Maze.
Cast Scryb Ranger by paying {1}{G}.
Repeat.

Infinite LTB

Infinite ETB

Infinite storm count

Ashaya, Soul of the Wild

Scryb Ranger

Activate Marvin using Sage of the Maze's ability by tapping it, adding two mana of any color(s).
Activate Marvin using Pili-Pala's ability by paying {2} and untapping it, adding one mana of any color.
Repeat.

Marvin, Murderous Mimic

Pili-Pala

Activate Marvin using Sage of the Maze's ability by tapping it, adding {1}{U}.
Activate Marvin using Horseshoe Crab's ability by paying {U}, untapping it.
Repeat.

Horseshoe Crab

Activate Sage of the Maze by tapping it, adding {2}.
Activate Arcanis's first ability by tapping it, causing you to draw three cards.
Tolarian Kraken triggers three times. Resolve the first two triggers, causing you to pay {2} to untap Arcanis and Sage of the Maze.
Resolve the last Tolarian Kraken trigger, choosing not to pay.
Repeat.

Infinite card draw

Infinite draw triggers

Arcanis the Omnipotent

Tolarian Kraken

Activate Sage of the Maze's first ability by tapping it, adding {1}{G}.
Cast Wirewood Symbiote by paying {G}.
Activate Mirror Entity by paying {1}, giving creatures you control all creature types and base power and toughness 1/1 until end of turn.
Activate Wirewood Symbiote by returning it from the battlefield to your hand, untapping Sage of the Maze.
Repeat.

Wirewood Symbiote

Mirror Entity

Cast Touch of Vitae by paying {2}{G}, targeting Sage of the Maze.
Activate Quicksilver Elemental by paying {U}, causing it to gain Sage of the Maze's activated abilities until end of turn.
Activate Quicksilver Elemental using Sage of the Maze's ability by tapping it, adding {1}{U}.
Activate Quicksilver Elemental using Sage of the Maze's ability granted to it by Touch of Vitae by paying {0}, untapping Quicksilver Elemental.
Repeat from step 2.

Quicksilver Elemental

Touch of Vitae

Activate Karn by paying {1}, causing Halo Fountain to become a creature.
Activate Sage of the Maze by tapping it, adding {W}{W}.
Activate Halo Fountain's second ability by paying {W}{W}, tapping it, and then untapping it and Sage of the Maze, causing you to draw a card.
Repeat from step 2.

Near-infinite creature tokens

Near-infinite untap of creatures you control

Near-infinite mana creatures you control can produce

Halo Fountain

Karn, Silver Golem

Activate Sage of the Maze by tapping it, adding two mana of any color(s).
Activate Sword of the Paruns by paying {1}, untapping Sage of the Maze.
Repeat.

Infinite untap of creatures you control

Infinite mana creatures you control can produce

Sword of the Paruns

Power Artifact

Activate Rex using Sage of the Maze's ability by tapping it, adding two mana of any color(s).
Activate Rex using Pili-Pala's ability by paying {2} and untapping it, adding one mana of any color.
Repeat.

Combos with "Sage of the Maze"