Diaochan, Artful Beauty {3}{R}
Legendary Creature — Human Advisor
RedCommander: legal
Identity
Red
EDHREC rank
#19,540
Cheapest printing
US$1.88
TCGplayer
Printings
3
{T}: Destroy target creature of your choice, then destroy target creature of an opponent's choice. Activate only during your turn, before attackers are declared.
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.