Zar Ojanen, Scion of Efrava {3}{G}{W}
Legendary Creature — Cat Warrior
Identity
Selesnya
EDHREC rank
#18,605
Cheapest printing
US$0.17
TCGplayer
Printings
3
Domain — Whenever Zar Ojanen becomes tapped, put a +1/+1 counter on each creature you control with toughness less than the number of basic land types among lands you control.
Keywords: domain
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.