Gate Out of Oroborea

You must pay the casting cost for Gate Out of
Oroborea. It counts the turn's land played.
When Gate Out of Oroborea.comes into play,
reveal cards from the bottom of you library
until you reveal 3 creatures. Put the creatures
into play and all others into your graveyard.
{t}: Add {b}{b}.
Panalopy(Panaorama of Swamps){2}{b}{b},{t}
Destroy target creature. (Activate only if you
control 4 or more Plains with different artworks
which comprise 4 sections of a single panoramic view.)