Norns Seedcore Norn's Seedcore is awesome because it creates a multiplanar game
Along with the classic Oblivion Stone, you have cards like Pernicious Deed and Sarulf, Realm Eater that can deal with multiple permanent types, but take a little while to get going, often over multiple turns
Faithless Looting, Cathartic Reunion and Shriekhorn fill your graveyard with dredgers and payoff cards and dredge those cards once your yard is full
Relic of Progenitus has been one of the premium answers to some strategies: Its cheap, and can play a grindy game removing one card per turn, or one-shot-exiling both graveyards at the right time
Only a few days after the official release of this set, the contents of it are already topping big online tournaments
This version is the rainbow foil edition and includes the mismatched capital letters associated with the meme