
When an opponent casts a creature spell, if this permanent is an enchantment, it becomes a 4/4 Giant creature with protection from each of that spell's colors.
Opal Titan has 1 printing, first in Urza's Saga (1998). EDHREC ranks it #30,394 among Commander cards. It has 6 official rulings.
Cards that show up in the same decks on EDHREC.