Sorceress of the Compression

When Sorceress of the Compression enters the battlefield, you may pay {2}. If you do, create a Compressed Time token with the effect "{t}, Sacrifice this artifact: Untap target creature or artifact."
This card gains +1/+1 for each token artifact you control.
Black Creatures you control gain +1/+0. White Creatures you control gain +0/+1.