Each of these will reward you with some number of packs from a different Magic: The Gathering set - and, due to how expensive the cards can be even when you're only playing digitally, they're effectively essential to every player both old and new
Introduced the Pokmon LV.X and Level-Up mechanic, which would later become one of the core gameplay features of the Diamond & Pearl era
For storage and collecting, I personally use the regular almost oversized penny sleeves because I like the ease of being able to take the card out of the penny sleeve if I have to, and it still fits in the binder slots just fine (although somewhat snug)
Etali's effect is a simple one, exiling the top card of each opponent's library whenever Etali attacks
Uncivil Unrest seems like an odd choice in a deck that focuses on a token creature, but this enchantment acts as an easier-to-cast Gratuitous Violence for your Orc Army
You can aim to return D.D