Jace, Multiverse Architect {1}{W}{U}{B}{R}
Legendary Planeswalker — Jace
Identity
Yore-Tiller
EDHREC rank
#8,978
Cheapest printing
US$1.07
TCGplayer
Printings
1
At the beginning of combat on each opponent's turn, they may pay {2}. If they don't, creatures they control can't attack Jaces you control this turn.
+1: Draw two cards, then put a card from your hand on the bottom of your library.
−3: Exile another target planeswalker or creature you control. Reveal cards from the top of your library until you reveal a creature or planeswalker card. Put that card onto the battlefield and the rest on the bottom of your library in a random order.
Jace, Multiverse Architect can be your commander.
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.