Jan Jansen, Chaos Crafter + Dross Scorpion + Skullclamp + Biotransference

Jan Jansen, Chaos Crafter

Dross Scorpion

Skullclamp

Biotransference

How it works

1. Activate Jan Jansen's first ability by tapping it and sacrificing another artifact creature.
2. When the creature dies, Dross Scorpion triggers, untapping Jan Jansen.
3. Resolve the Jan Jansen ability, creating two Treasure artifact tokens.
4. Activate Jan Jansen's second ability by tapping it and sacrificing a Treasure token, creating two 1/1 Construct artifact creature tokens.
5. Activate a Treasure token by tapping and sacrificing it, adding 1.
6. Activate Skullclamp's equip ability by paying 1, attaching it to a Construct token.
7. The Construct dies as a state-based action due to having zero toughness.
8. Skullclamp and Dross Scorpion trigger.
9. Resolve the Skullclamp trigger, causing you to draw two cards.
10. Resolve the Dross Scorpion trigger, untapping Jan Jansen.
11. Repeat.