They are random, not-that-expensive, and very reprintable Modern and Standard cards
Myr Battlesphere Myr Battlesphere is a classic card in the Commander format, and itd be a crime if I didnt include it
Sovereign Okinec Ahau is a formidable win-more card that just needs a little push as small as a battle cry to provide absurd amounts of +1/+1 counters
Acorn Catapult Animal Friend Camellia, the Seedmiser Chatter of the Squirrel Chatterstorm Chittering Doom Chitterspitter Form of the Squirrel Mistakes Were Made Nut Collector Rootcast Apprenticeship Scurry Oak Specimen Collector Squirrel Dealer Squirrel Farm Squirrel Nest Squirrel Sanctuary Squirrel Squatters Squirrel Stack Squirrel Stack Squirrel Stack Squirrel Stack Squirrel Stack Squirrel Stack The Unbeatable Squirrel Girl Wrenn and One (playtest)
If you are playing a blue deck, you should have four copies of Brainstorm in your deck
Alpha booster packs came in displays (booster boxes) of 36 packs each, but very few (if any) sealed Alpha booster boxes still exist today