Scarlet Witch, Chaotic Avenger {2}{U}{R}
Legendary Creature — Mutant Warlock Hero
Identity
Izzet
EDHREC rank
#11,445
Cheapest printing
US$0.35
TCGplayer
Printings
3
Flying
Whenever Scarlet Witch deals combat damage to a player, look at the top two cards of your library, then exile them face down. Then you may cast a Hero or noncreature spell from among cards exiled with Scarlet Witch without paying its mana cost.
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.