Activate Basalt Monolith's first activated ability by tapping it, adding {C}{C}{C}.
Activate Basalt Monolith's last ability by paying {2}, untapping it.
Repeat.

Infinite colorless mana

Basalt Monolith

Forensic Gadgeteer

Cast Sensei's Divining Top by paying {0}.
Forensic Gadgeteer triggers, creating a Clue token.
Activate Urza's first ability by tapping the Clue, adding {U}.
Activate Sensei's Divining Top's second ability by tapping it, causing you to draw a card and put Sensei's Divining Top from the battlefield on top of your library.
Activate the Clue by paying {1} and sacrificing it, causing you to draw Sensei's Divining Top from the top of your library.
Repeat.

Infinite card draw

Infinite draw triggers

Near-infinite storm count

Urza, Lord High Artificer

Sensei's Divining Top

Etherium Sculptor

Cast Sensei's Divining Top by paying {1}.
Forensic Gadgeteer triggers, creating a Clue, a Food and a Treasure artifact token.
Activate Sensei's Divining Top's second ability by tapping it, causing you to draw a card and put Sensei's Divining Top from the battlefield on top of your library.
Activate Urza's first ability twice by tapping two of the artifact tokens, adding {U}{U}.
Activate the Clue by paying {1} and sacrificing it, causing you to draw Sensei's  Divining Top from the top of your library.
Repeat.

Near-infinite colored mana

Near-infinite Food tokens

Near-infinite lifegain

Near-infinite lifegain triggers

Near-infinite Treasure tokens

Academy Manufactor

Cast Sensei's Divining Top by paying {1}.
Efficient Construction and Forensic Gadgeteer trigger, creating a 1/1 Thopter artifact creature token and a Clue token.
Activate Krark-Clan Ironworks by sacrificing the Thopter, adding {C}{C}.
Activate Sensei's Divining Top by tapping it, causing you to draw a card and put Sensei's Divining Top from the battlefield onto the top of your library.
Activate the Clue by paying {1} and sacrificing it, causing you to draw Sensei's Divining Top.
Repeat.

Near-infinite ETB

Near-infinite LTB

Near-infinite death triggers

Near-infinite sacrifice triggers

Efficient Construction

Krark-Clan Ironworks

Cast Sol Ring by paying its mana cost.
Forensic Gadgeteer triggers, creating a Clue token.
Activate Urza's first ability by tapping the Clue, adding {U}.
Activate Sol Ring by tapping it, adding {C}{C}.
Activate Words of Wind by paying {1}, replacing the next card you would draw by causing each player to return a permanent to their hand instead.
Activate the Clue by paying {1} and sacrificing it, causing you to return Sol Ring from the battlefield to your hand, and causing each opponent to return a permanent they control from the battlefield to their hand due to Words of Wind.
Repeat.

Infinite storm count

Return all permanents opponents control to their owner's hand

Exile your library

Cast all cards in your library without paying their mana costs

Words of Wind

Sol Ring

Activate Urza's first ability by tapping Farmstead Gleaner, adding {U}.
Activate Farmstead Gleaner by paying {1} and untapping it, putting a +1/+1 counter on it.
Repeat.

Infinite +1/+1 counters on Farmstead Gleaner

Farmstead Gleaner

Activate Radiant Lotus by tapping it and sacrificing two other artifacts, adding {6}.
Activate Retrofitter Foundry's second ability by paying {1} and tapping it, creating a 1/1 Servo artifact creature token.
Activate Retrofitter Foundry's first ability by paying {2}, untapping it.
Repeat steps 2 and 3 one additional time.
Activate Clock of Omens by tapping the Servos, untapping Radiant Lotus.
Repeat.

Infinite LTB

Infinite ETB

Infinite sacrifice triggers

Infinite death triggers

Radiant Lotus

Clock of Omens

Retrofitter Foundry

Activate Red Death by tapping it, adding {R}, goading a creature an opponent controls and causing that opponent to draw a card.
Activate Prismite by paying {1}, adding {U}.
Activate Freed from the Real by paying {U}, untapping Red Death.
Repeat.

Infinite draw triggers for any number of opponents

Infinite card draw for any number of opponents

Red Death, Shipwrecker

Freed from the Real

Prismite

Activate Gemstone Array's first ability by paying {1}.
Crackdown Construct triggers, getting +1/+1 until end of turn.
Resolve Gemstone Array's ability, putting a charge counter on it.
Activate Gemstone Array's second ability by removing a charge counter from it, adding {1}.
Repeat.

Infinitely large Crackdown Construct

Gemstone Array

Crackdown Construct

Activate the creature with both permanents attached to it using the ability from Careful Cultivation by tapping it, adding {G}{G}.
Activate Sword of the Paruns's first activated ability by paying {1}, untapping the creature.
Repeat.

Combos with "Forensic Gadgeteer"