Oswald Fiddlebender {1}{W}
Legendary Creature — Gnome Artificer
WhiteCommander: legal
Identity
White
EDHREC rank
#2,940
Cheapest printing
US$2.10
TCGplayer
Printings
5
Magical Tinkering — {W}, {T}, Sacrifice an artifact: Search your library for an artifact card with mana value equal to 1 plus the sacrificed artifact's mana value, put it onto the battlefield, then shuffle. Activate only as a sorcery.
Every printing
highest TCGplayer market first; a card with only a thin single listing shows its low
In short
A Commander deck is a commander and 99 other cards, one copy of each (except basic lands), all inside the commander's colour identity. Paste a full list into the deck price calculator to price it and check it against the format.