Seton, Krosan Protector {G}{G}{G}
Legendary Creature — Centaur Druid
GreenCommander: legal
Identity
Green
EDHREC rank
#18,827
Cheapest printing
US$3.12
TCGplayer
Printings
1
Tap an untapped Druid you control: Add {G}.
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.