As an additional cost to cast this spell, reveal a Dinosaur card from your hand or pay .
Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.
If an effect refers to a "[subtype] spell" or "[subtype] card," it refers only to a spell or card that has that subtype. For example, March of the Drowned is a card that benefits Pirates and features Pirates in its illustration, but it isn't a Pirate card.
Random a card of Magic: The Gathering (MTG), but you can also roll the D20 dice, random a Planeswalker, have fun with the random rules and more.