Both sides of Grimlock are Legendary Artifact Creatures, with the front face using the newly-introduced "Autobot" creature type, and the back using the pre-existing "Dinosaur" creature type
Its funny to imagine folks opening these packs in dimly lit game stores, completely unaware of how valuable theyd become
But there are lots of other options too, like filling your graveyard with a recursion target and getting the creature that can grab it (such as a big fatty and Karmic Guide for the 5th turn)
Features like magnetic closures, compartments, and easy access to your cards can make a big difference in your overall experience
Alternative Subtheme: Sacrifice and Recursion Although in most cases we'll want to keep our creatures on the battlefield, it's important to remember that the commander's main ability Millicent, Restless Revenant also creates tokens when a non-token spirit dies
Theres a perfectly reasonable card here that has an entire other spell attached to it