Kira, Great Glass-Spinner {1}{U}{U}
Legendary Creature — Spirit
BlueCommander: legal
Identity
Blue
EDHREC rank
#5,613
Cheapest printing
US$4.63
TCGplayer
Printings
4
Flying
Creatures you control have "Whenever this creature becomes the target of a spell or ability for the first time each turn, counter that spell or ability."
Keywords: flying
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.