First printed in Jumpstart 2022 (2022)
Dutiful Replicator 
Artifact Creature — Assembly-Worker
When this creature enters, you may pay 
. When you do, create a token that's a copy of target token you control not named Dutiful Replicator.
Combos
5 combos from Commander Spellbook, the most popular first.
- Infinite creature ETB, Infinite tapped creature tokens: Dutiful Replicator + Machine God's Effigy + Mishra, Eminent One
- Infinite blue mana, Infinite colorless mana…: Dross Scorpion + Dutiful Replicator + Guardians of Koilos + Krark-Clan Ironworks + Replication Specialist
- Infinite blue mana, Infinite colorless mana…: Ashnod's Altar + Dross Scorpion + Dutiful Replicator + Guardians of Koilos + Replication Specialist
- Infinite artifact ETB, Infinite artifact LTB…: Dutiful Replicator + Emiel the Blessed + There and Back Again
- Infinite artifact ETB, Infinite artifact LTB…: Deadeye Navigator + Dutiful Replicator + There and Back Again
Legality
Constructed
- Standard Not legal
- Pioneer Not legal
- Modern Not legal
- Legacy Legal
- Vintage Legal
- Pauper Legal
- Future Standard Not legal
- Historic Not legal
- Timeless Not legal
- Alchemy Not legal
- Penny Dreadful Not legal
- Premodern Not legal
- Old School 93/94 Not legal
Singleton
- Gladiator Not legal
Commander formats
- Commander Legal
- Duel Commander Legal
- Pauper Commander Legal
- PreDH Not legal
- Tiny Leaders Legal
- Oathbreaker Legal
- Brawl Not legal
- Standard Brawl Not legal
- Competitive Brawl Not legal