Miara, Thorn of the Glade {1}{B}
Legendary Creature — Elf Scout
BlackCommander: legal
Identity
Black
EDHREC rank
#7,927
Cheapest printing
US$0.28
TCGplayer
Printings
3
Whenever Miara or another Elf you control dies, you may pay {1} and 1 life. If you do, draw a card.
Partner (You can have two commanders if both have partner.)
Keywords: partner
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.