You may reveal it if it's a land card
Midrange decks: Archetypes that leverage the graveyard for incremental advantage, but are by no means shut off from executing their core strategy without it: Against these decks, graveyard interaction is often about slowing down their engine or reducing efficiency, rather than fully disabling their game plan
Visit the Past
Of course, the more cards you discard, the more painful it is to discard more cards, and the more nonland permanents you sacrifice, the more painful it is to sacrifice more permanents
Each Archeops can use Primal Turbo once per turn to accelerate up to 2 Energy cards per turn to 1 of your Pokmon
If you cast a creature spell this way, it gains haste until you lose control of that creature (or, in rare cases, you lose control of the creature spell while its on the stack)