Orbex Chasma, Tangible Eve

Orbex Chasma, Tangible Eve is not a creature.
When Orbex Chasma enters the battlefield exile all instants and sorceries from all graveyards.
When Orbex Chasma leaves the battlefield, starting with you, each player may cast a copy of each spell exiled by Orbex Chasma.
{c}{c}{c}{c}{c}: Orbex Chasma, is a creature until
end of turn.