
As an additional cost to cast this spell, 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.
Thunderherd Migration has 3 printings, first in Rivals of Ixalan (2018). EDHREC ranks it #5,565 among Commander cards. It appears most in Pantlaza, Sun-Favored decks (14,077 on EDHREC). 1 public deck on TCG runs it. It has 1 official ruling.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.