Activate Lonis by paying 2 and sacrificing another artifact.
If the artifact was a Clue, Lonis' third ability triggers, putting two +1/+1 counters on any other creature you control.
Resolve the Lonis ability, putting two +1/+1 counters on it and causing you to draw a card.
Lonis' second ability triggers, creating two Clue artifact tokens.
Activate Krark-Clan Ironworks by sacrificing a Clue, adding CC.
Lonis' third ability triggers, putting two +1/+1 counters on any other creature you control.
Repeat.
This engine spins into motion thanks to Clan Crafter granting Lonis, Genetics Expert a built-in sacrifice outlet that draws a card whenever you cash in an artifact. Once you have a spare +1/+1 counter to distribute, Benevolent Hydra acts as the ultimate multiplier, escalating every counter placement so that Lonis generates a surplus of Clues and mana. Meanwhile, Krark-Clan Ironworks feeds this recursive loop by turning those very Clues into raw colorless mana, allowing you to cycle through your entire deck, amass near-infinite +1/+1 counters, and trigger endless card draw.