Jaheira, Friend of the Forest {2}{G}
Legendary Creature — Human Elf Druid
GreenCommander: legal
Identity
Green
EDHREC rank
#937
Cheapest printing
US$7.80
TCGplayer
Printings
4
Tokens you control have "{T}: Add {G}."
Choose a Background (You can have a Background as a second commander.)
Keywords: choose a background
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.