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
Skarmory takes the best of flying type, speed, and occasionally high damage, and the best of steel type, high physical damage, to make an impressive package overall
What is the rarity of this Grookey card
So, you can cast Makeshift Mannequin to bring back one of these imposing creatures before they get shuffled away