Bennie Bracks, Zoologist {3}{W}
Legendary Creature — Elf Druid
WhiteCommander: legal
Identity
White
EDHREC rank
#1,850
Cheapest printing
US$11.41
TCGplayer
Printings
3
Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)
At the beginning of each end step, if you created a token this turn, draw a card.
Keywords: convoke
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.