As with every major set release, Magic: The Gathering's Final Fantasy set includes ten different archetypes for its Limited formats
A Commander that cares about instants an sorceries in our graveyard would be Dralnu, Lich Lord
As cool as it would've been to see a main-set reprint of the card, remember that Final Fantasy will be Standard-legal, and the world's probably not ready for free counters in Standard again
Comrades/Creatures (27) 1x Apex Altisaur 1x Brash Taunter 1x Goreclaw, Terror of Qal Sisma 1x Gruul Ragebeast 1x Ignoble Hierarch 1x Ill-Tempered Loner // Howlpack Avenger 1x Ilysian Caryatid 1x It That Betrays 1x Magus of the Arena 1x Mayhem Devil 1x Mazirek, Kraul Death Priest 1x Neyith of the Dire Hunt 1x Ohran Frostfang 1x Paradise Druid 1x Ranging Raptors 1x Rhonas the Indomitable 1x Ripjaw Raptor 1x Saryth, the Vipers Fang 1x Silverclad Ferocidons 1x Stuffy Doll 1x Tergrid, God of Fright // Tergrids Lantern 1x Terror of the Peaks 1x Thorn Mammoth 1x Toski, Bearer of Secrets 1x Ulvenwald Oddity // Ulvenwald Behemoth 1x Ulvenwald Tracker 1x Vigor Zangiefs friends include bears, those that wrestle bears, and those who exercise their right to bear arms

But where Exhume can lead to some nasty blowouts or fall off quickly after the first few turns, Stitch Together offers the most natural condition most graveyard decks could hope for: you just have to load up your yard a little, and away you go