Debisaurus, Dinosaur Queen

When Debisaurus, Dinosaur Queen enters the battlefield, if she was cast from your library
instead of your hand, put two +1/+1 counters on
each dinosaur you control.
Dinosaurs you control have trample.
When Debisaurus, Dinosaur Queen dies, you
may pay {2}{w}{r}{g} and put her third from the
top of your library.