Legends of Terra

You can cast this spell only if you control
Andalia, Sweet Agony or Pan Lugnassad,
Heart of Wild or Devan, Shadow's Tyrany
Draw 3 cards.
Search your library for a card, put it into
your hand then shuffle your library.
If you control at least 5 nonland permanent,
exile target permanents.
"They chose them because they can save this world."