
Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.
Ghostly Prison has 23 printings, first in Champions of Kamigawa (2004). EDHREC ranks it #159 among Commander cards. It appears most in Y'shtola, Night's Blessed decks (28,530 on EDHREC). 12 public decks on TCG run it. It has 2 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.