As an additional cost to cast Thunderherd Migration, reveal a Dinosaur card from your hand or pay {1}.

Search your library for a basic land card, put it onto the battlefield tapped, then shuffle your library.

The herds follow as new growth arises.

• Number: 149
• Rarity: U
• Type: Sorcery
• Mana cost: 1G
• Color: Green
• Artist: Lars Grant-West