There are 5 colors in Magic: red (R), white (W), blue (U), green (G), and black (B)
Maybe the connection is a creature type, or the cards play well together, or they have some story element in common. And, unlike Draft Boosters, there is only one guaranteed uncommonwhile the other five cards all have a chance of being common or uncommon
If you dont, you may put a land card from your hand onto the battlefield. If you can plot a card, cast something from your graveyard, from exile, from someone elses hand or directly from your deck, you can put something of your choice into play from your hand
These jumbo cards showcase detailed artwork, making them a standout addition to any collector's showcase
This card, for instance, was part of a promotional gimmick for Pokmon Snap back in 1999
They are most likely backups or second picks for other, stronger cards, but if you need redundancy, these cards might be worth playing