Gale, Waterdeep Prodigy {2}{U}
Legendary Creature — Human Wizard
BlueCommander: legal
Identity
Blue
EDHREC rank
#5,030
Cheapest printing
US$0.30
TCGplayer
Printings
5
Whenever you cast an instant or sorcery spell from your hand, you may cast up to one target card of the other type from your graveyard. If a spell cast from your graveyard this way would be put into your graveyard, exile it instead.
Choose a Background (You can have a Background as a second commander.)
Keywords: choose a background
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.