Otherworldly Rupture

As an additional cost to cast this spell, shuffle
an alien card from your hand into your library.
—Create an otherworld.
•Starting with you, each player relocates the
bottom half of their library, rounded down.
Players relocate graveyards the same way.
•Each player relocates half of the lands, rounded
down. Players relocate creatures, artifacts and
cards in their hands the same way.
•Each player copies itself and its life.