
As long as you control a Jace planeswalker, this creature gets +1/+0 and can't be blocked.
Jace's Sentinel has 1 printing, first in Ixalan (2017). EDHREC ranks it #23,247 among Commander cards. It appears most in Jace, Vryn's Prodigy // Jace, Telepath Unbound decks (711 on EDHREC).
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.