Cloudhoof Kirin {3}{U}{U}
Legendary Creature — Kirin Spirit
BlueCommander: legal
Identity
Blue
EDHREC rank
#24,313
Cheapest printing
US$0.51
TCGplayer
Printings
1
Flying
Whenever you cast a Spirit or Arcane spell, you may have target player mill X cards, where X is that spell's mana value.
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.