Getting together with friends at a local game store, cracking open booster packs, and creating a deck on the spot is a tried-and-true tradition within the Magic community
Illustrated by Evan Shipard Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Not Legal Modern Legal Brawl Not Legal Legacy Legal Comp
Additionally, while graveyard-based strategies are quite popular within the Commander format, General Kudro can help remove key cards from an opponent's graveyard, as whenever it or another Human enters the battlefield under its owner's control, its owner may exile a card from an opponent's graveyard
The Wrong Sequence: You play Ultra Ball first, discarding two cards to search your deck
Truly, the possibilities for a really strong deck with these cards is endless, but for players who like to Party, Garland at the Chaos Shrine looks like the best scene box to pick up.
In theory, they could show up in other kinds of booster in the future, but its unlikely as Wizards will want to keep something special for the most expensive boosters