Tawnos, the Toymaker {3}{G}{U}
Legendary Creature — Human Artificer
Identity
Simic
EDHREC rank
#8,995
Cheapest printing
US$0.25
TCGplayer
Printings
4
Whenever you cast a Beast or Bird creature spell, you may copy it, except the copy is an artifact in addition to its other types. (The copy becomes a token.)
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.