Seafloor Hexmage

Octopus creatures you control have "{t}: Scry 1."
Mentality - {u}{b}, {t}: Reveal the top card of your library. If it's an instant or sorcery card, put a
-1/-1 counter on each non-Octopus creature with converted mana cost X, where X is the revealed card's converted mana cost.
Their network of souls is like an endless web.