Kuro, Pitlord {6}{B}{B}{B}
Legendary Creature — Demon Spirit
BlackCommander: legal
Identity
Black
EDHREC rank
#17,662
Cheapest printing
US$0.36
TCGplayer
Printings
3
At the beginning of your upkeep, sacrifice Kuro unless you pay {B}{B}{B}{B}.
Pay 1 life: Target creature gets -1/-1 until end of turn.
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.