Grimlore Fortress

If an opponent were to gain control of Grimlore Fortress, destroy it instead.
{t}: Add {c}{c}
Grimlore Fortress enters with {e}{e}.
At the beginning of your upkeeps Grimlore Dark Fortress gains {e}.
{e}: Counter target noncreature spell.
{e}{e},{t}: Cast any spell countered with Grimlore Fortress.