
Other Dinosaurs you control get +1/+1.
{5}{G}: Create a 3/3 green Dinosaur creature token with trample. (It can deal excess combat damage to the player or planeswalker it's attacking.)
Thundering Spineback has 6 printings, first in Ixalan (2017). EDHREC ranks it #8,702 among Commander cards. It appears most in Pantlaza, Sun-Favored decks (5,364 on EDHREC). 1 public deck on TCG runs it.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.