The Lunar Whale {3}{U}
Legendary Artifact — Vehicle
BlueCommander: legal
Identity
Blue
EDHREC rank
#10,914
Cheapest printing
US$0.23
TCGplayer
Printings
2
Flying
You may look at the top card of your library any time.
As long as The Lunar Whale attacked this turn, you may play the top card of your library.
Crew 1
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.