Continuous effects are very interesting
Precons are ideal for beginners, casual players, or collectors who want a playable deck without building from scratch
Since blue had a disproportionate number of evasion creatures compared to the other colors in a block filled with very low-powered cards, Coastal Piracy allowed the blue mage to draw multiple cards a turn in the hopes of keeping up with the white mage and his ever-growing arsenal of tutored rebels
As WotC said, everyone tends to believe their deck is a 7 when having a pregame conversation, and a more formal Power Bracket guide helps put more concrete numbers to decks
If you're unsure if a card is Marked, sleeve it up and try to pick it out of the deck, or ask a friend to do so
Joining cards like this isnt new to card games, with Yu-Gi-Oh