Korvold's own effects help you to boost its stats with counters naturally, and decks built around +1/+1 counters play cards that can easily double these counters
It could be cases of wine in a shipwreck, flowers in a Neanderthal grave, and, yes, foodstuffs in an Egyptian tomb
Adagia, Windswept Bastion Applied Geometry Artificer Class Ashling's Command Brigid's Command Cabaretti Confluence Cackling Counterpart Caretaker's Talent Chandra, Flameshaper City of Death Cogwork Assembler Croaking Counterpart Dance of Many Dino DNA Donatello, Gadget Master Dutiful Replicator Echo Storm Electroduplicate Elvish Hydromancer Ember Island Production Esika's Chariot Esper Terra Fated Infatuation Feldon of the Third Path Flash Photography Ghired, Mirror of the Wilds Grub's Command Hazel of the Rootbloom Heat Shimmer Ignite the Cloneforge
From one mainstay walker to one Ive never seen before: Vronos, Masked Inquisitor
In addition, all Dinosaurs in your graveyard have Escape, letting you exile three cards from your graveyard and pay the mana cost of a Dinosaur in your graveyard to cast it