Ideally, for each sideboard card you introduce to a deck, you take another from the main deck to keep your deck at 60 cards and thus keep it efficient
Play Boosters have simplified the way that MTG players can delve into different formats, with the packs suitable for both Draft and Sealed play, as well as offering an exciting experience for fans looking to check out a new set in general
Even though the humble Negate may seem like a better exchange of mana-to-possible-counter, remember that opponents are often tapping out to cast their huge Fireball and not expecting to see a Spell Pierce countering their spell as well as a Counterspell would, anyway
Youre likely to find Enchanted cards in 1 out of every 72 packs, so you can see why these cards are so highly sought after
At its worst, this is a way to grab a basic Plains from your library, put it into play tapped, and get a token-producing body over three turns