Path of Ancestry

Path of Ancestry enters tapped.
{t}: Add one mana of any color in your
commander's color identity. When that mana
is spent to cast a creature spell that shares a creature type with your commander, scry 1.

The current twining of worlds is not the first time the
Fae would have dabbled in dimensional egress. It is, however, the first time said egress was unintentional
and could not be undone.