Master of Etherium 
Artifact Creature — Vedalken Wizard
Master of Etherium's power and toughness are each equal to the number of artifacts you control. Other artifact creatures you control get +1/+1.
Legality
standardNOT LEGALpioneerNOT LEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL
Prints
March of the Machine Commander
EN · MOC · 2023-04-21
The Brothers' War Commander
EN · BRC · 2022-11-18
Neon Dynasty Commander
EN · NEC · 2022-02-18
Double Masters
EN · 2XM · 2020-08-07
Commander 2016
EN · C16 · 2016-11-11
Duel Decks: Elspeth vs. Tezzeret
EN · DDF · 2010-09-03
Planechase
EN · HOP · 2009-09-04
Shards of Alara
EN · ALA · 2008-10-03
Salvat 2011
ES · PS11 · 2011-01-01