Healion, The Bright Drake

When Healion, The Bright Drake enters play
you gain 3 life, draw a card and untap a land
{t}-Scry 1 (Look at the top card of your library.
You may put that card on the bottom of your
library.)
{1}{u}{u}{t}- Put a Blue 1/1 Shapeshifter token
with Changeling into play