Tolarian Terror

Creature — Serpent • Mana cost: {6}{U} • Foundations • Common

This spell costs {1} less to cast for each instant and sorcery card in your graveyard.
Ward {2} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.)

Afterward, a number of treatises on sea serpent morphology were swiftly revised.

Illustrated by Vincent Christiaens.