Heide's Tower of Flame

Heide's Tower of Flame comes into play tapped unless you control 2 or more lands.
{t}: Add {w} or {u} to your mana pool.
Whether Heide refers to a kingdom or was just a name for the land is not clear, for no records date back far enough to tell. All that is known is that
the Way of Blue has its origins in Heide, and
that Heide was later subsumed by the sea.