
You have shroud. (You can't be the target of spells or abilities.)
Ivory Mask has 5 printings, first in Mercadian Masques (1999). EDHREC ranks it #22,206 among Commander cards. It appears most in Chief Magistrate of Mercadia decks (14 on EDHREC).
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.