Fortunately for players based in the US, these problems seem to mainly be affecting non-English cards for now
One box can give you a good variety of cards, while two or three boxes can provide a solid variety of rare cards and likely a play set of most of the uncommon and common cards.
DECKLIST: Recently, Ive been enamored with Voltron and battle cruiser strategies featuring commanders that dont traditionally take up arms
For example, having an Urborg, Tomb of Yawgmoth in play adds the swamp land type to all your towns, and future town cards might have basic land types as well
RESULTS The results have been very surprising
Whether its copying a powerful ability, or creating another minion with great stats, Selfsame Simulacrum will enter play as a basic copy of any nearby minion