Activate Radiant Lotus by tapping it and sacrificing it, Myr Retriever, Scrap Trawler and the zero mana value artifact, adding twelve mana of any color.
Scrap Trawler triggers four times (once for each artifact sacrificed) and Myr Retriever triggers once.
Resolve the Scrap Trawler triggers from Radiant Lotus, Scrap Trawler and Myr Retriever, returning Scrap Trawler, Myr Retriever and the zero cost artifact from your graveyard to your hand.
Resolve the Scrap Trawler trigger from the zero cost artifact, returning nothing to your hand.
Resolve the Myr Retriever trigger, returning Radiant Lotus from your graveyard to your hand.
Cast Radiant Lotus, Scrap Trawler, Myr Retriever and the zero cost artifact by paying a total of {11}.
Repeat.

Infinite LTB

Infinite ETB

Infinite colored mana

Infinite sacrifice triggers

Infinite death triggers

Infinite storm count

Artifact with MV = 0

Radiant Lotus

Scrap Trawler

Myr Retriever

Activate Radiant Lotus by tapping it and sacrificing it and three Foods, causing you to add twelve mana of any color.
Nuka-Cola Vending Machine triggers three times, creating three tapped Treasure, Food and Clue tokens.
Activate Samwise by sacrificing three Foods.
Nuka-Cola Vending Machine triggers three times, creating three tapped Treasure, Food and Clue tokens.
Resolve the Samwise ability, returning Radiant Lotus from your graveyard to your hand.
Cast Radiant Lotus by paying {6}.
Activate Radiant Lotus by tapping it and sacrificing it and an artifact token, adding {6}.
Repeat from step 3.

Infinite tapped Treasure tokens

Infinite tapped Clue tokens

Infinite card draw

Infinite draw triggers

Samwise Gamgee

Nuka-Cola Vending Machine

Academy Manufactor

Activate Radiant Lotus by tapping it and sacrificing it and three Foods, causing you to add twelve mana of any color.
Nuka-Cola Vending Machine triggers three times, creating three tapped Treasure and Food tokens.
Activate Samwise by sacrificing three Foods.
Nuka-Cola Vending Machine triggers three times, creating three tapped Treasure and Food tokens.
Resolve the Samwise ability, returning Radiant Lotus from your graveyard to your hand.
Cast Radiant Lotus by paying {6}.
Activate Radiant Lotus by tapping it and sacrificing it and an artifact token, adding {6}.
Repeat from step 3.
Activate Peregrin Took by sacrificing three Foods.
Nuka-Cola Vending Machine triggers three times, creating three tapped Treasure and three tapped Food tokens.
Resolve the Peregrin Took ability, causing you to draw a card.
Repeat.

Near-infinite tapped Treasure tokens

Peregrin Took

Activate Radiant Lotus by tapping it, sacrificing it and two other nontoken artifacts except Codex Shredder, adding {6}{W}{W}{W}.
Cast Second Sunrise by paying {1}{W}{W}, causing each player to return all artifact, creature, enchantment and land cards that were put into a graveyard this turn to the battlefield under their owner's control.
Activate Codex Shredder's second ability by paying {5}, tapping and sacrificing it, returning Second Sunrise from your graveyard to your hand.
Repeat.

Infinite magecraft triggers

Second Sunrise

Codex Shredder

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.

Clock of Omens

Retrofitter Foundry

Forensic Gadgeteer

Activate Urza by paying {6}, creating three token copies of Radiant Lotus that are 1/1 Soldier artifact creature tokens.
Activate Clock of Omens by tapping two Radiant Lotus tokens, untapping the nontoken Radiant Lotus.
Activate the nontoken Radiant Lotus by tapping it and sacrificing two Radiant Lotus tokens, adding {6}.
Repeat.

Infinite creature tokens

Infinite creature copies of artifacts you control

Urza, Prince of Kroog

Ojer Taq, Deepest Foundation // Temple of Civilization

Activate Urza by paying {6}, targeting Radiant Lotus.
Locus of Enlightenment triggers, copying Urza's ability, targeting Radiant Lotus.
Resolve both Urza abilities, creating two token copies of Radiant Lotus that are 1/1 Soldier artifact creatures.
Activate a Radiant Lotus token by tapping it and sacrificing both Radiant Lotus tokens, targeting yourself.
Locus of Enlightenment triggers, copying the Radiant Lotus token's ability, targeting yourself.
Resolve both Radiant Lotus abilities, adding twelve mana of any color.
Repeat.

The Enigma Jewel // Locus of Enlightenment

Thousand-Year Elixir

Combos with "Radiant Lotus"