
{3}{W}: Creatures you control get +1/+1 and gain vigilance until end of turn. Activate only during your turn. (Attacking doesn't cause them to tap.)
Steadfast Unicorn has 4 printings, first in Commander Legends: Battle for Baldur's Gate (2022). EDHREC ranks it #16,235 among Commander cards. It appears most in Thurid, Mare of Destiny decks (2,195 on EDHREC).
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.