
Whenever a player casts a spell, counter that spell unless that player pays {X}, where X is the number of cards in all graveyards with the same name as the spell.
Cephalid Shrine has 1 printing, first in Odyssey (2001). EDHREC ranks it #30,715 among Commander cards. It appears most in Aboshan, Cephalid Emperor decks (21 on EDHREC).
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.