
Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)
Whenever a creature you control attacks alone, you may search your library for an Aura card that could enchant that creature, put it onto the battlefield attached to that creature, then shuffle.
Sovereigns of Lost Alara has 2 printings, first in Alara Reborn (2009). EDHREC ranks it #11,161 among Commander cards. It appears most in Rafiq of the Many decks (3,310 on EDHREC). It has 7 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.