You can open these cards in Set, Draft, and Collector Boosters, in both non-foil and traditional foil
A Gray Ogre is just abysmal, and while it has a decent activated ability that can make it a 4/4 with Haste, I dont think this does enough to be saved from being a card you cut significantly more often than you play it
You can definitely build around this card or throw it into an Oloro, Ageless Ascetic deck and have a real party in your upkeep
Throw in a playset of Thoughtseize for early disruption, and thats pretty much the deck
Here, we see the climactic approach of the entire roster of characters toward the final showdown with Kefka
It could be hard to fit it into an Omnath, Locus of Creation deck, for instance, but most decks with three or fewer colors should be able to find room somewhere