Jeleva, Nephalia's Scourge {1}{U}{B}{R}
Legendary Creature — Vampire Wizard
Identity
Grixis
EDHREC rank
#14,169
Cheapest printing
US$3.17
TCGplayer
Printings
1
Flying
When Jeleva enters, each player exiles the top X cards of their library, where X is the amount of mana spent to cast Jeleva.
Whenever Jeleva attacks, you may cast an instant or sorcery spell from among cards exiled with Jeleva 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.