Sliver Swarm is a deck for anyone who has ever loved Slivers, obviously
Yuna is a very open ended commander with more potential than there are slots in the 99
If your deck is trying to cast as many X spells as possible every turn, and wants X to be as much as possible, we probably want to prioritize ramp more highly than just 8 or 10 spells - in fact, I can see running 60 mana sources, like this Vaevictis Asmadi, the Dire deck
810 Foils In Every PackEvery pack contains 810 cards with a shiny Traditional Foil treatment
Joo Dee, One of ManyJoo Dee, One of Many gives you a way to add more tokens to the board, sculpt the top of your library, fill your graveyard, and sacrifice some creatures or artifacts - all on a two-mana body
The subsection of the Magic community that loves to collect things decided that Reserved List cards are desirable because of how old, cool, and scarce they are, and it looks like original set foils might be the next big subsection of cards to get that treatment