Fascination of the Primeval

Lands you control enter the battlefield tapped.
Landfall —Whenever a land enters the battlefield
under your control, you may tap target Dinosaur
you control and pay {1}{g}. If you do, choose one:
• Create a 3/3 green Dinosaur creature token
with trample. Scry 1. You gain 1 life.
• Reveal the top card of your library. Put it onto
the battlefield if it's a land. Otherwise, you may
put it into your graveyard and untap target land.