Youll need to include other blink creatures in your list, which cuts down on your available slots for utility creatures
Since Magic was first developed by Richard Garfield, a 15-card booster was his vision, Rosewater said, years before designing for Draft was even a thing. With a chance to rethink that number, R&D settled on a play booster containing 14 cards because that number did the best job of giving us the play experience we wanted. The change from 15 to 14 playable cards in a booster impacted future set designs as well, as with one fewer common slot, R&D adapted by making less unusable commons, at least from a Limited perspective
Raging River ($159) Raging River is one of those cards you pick up to show some crazy top-down designs
However, when it isn't on the battlefield, the card is still always seen as the Saga side, even if it has transformed
The pre-release events for this set were held on January 19 and January 20, 2008