Marauding Brinefang

Ward 3 (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays 3.) Islandcycling 2 (2, Discard this card: Search your library for an Island card, reveal it, put it into your hand, then shuffle.)

Ancient glyphs are a lot harder to decipher when attached to an apex predator.