Spelunking Spelunking is useful on far more than caves, and really only takes a land or two that would've entered untapped to be worth playing
The uncommon symbol resembles a book, or a shield that is located at the bottom of the card
Paras has the following attacks: Scratch - 30 damage
Youll still want a nice bell curve of mana costs in your cards, but unless youre playing cEDH (competitive EDH, a hellscape where games end before youve even finished shuffling - fun, but in a horribly different way), you can have a bit more fun
The original Duel Monsters series, Battle City, and even GX were pretty successful and drew in a large crowd of people
I assume there must have been some way to test the cards and how they play out, despite it being undoubtedly more controlled than with MTG where R