Untap Step: Players untap all their permanents, including lands and creatures
There are tons of ways these cards are utilized in different formats
You straight up get to put a creature into play from among cards exiled by it
My following comments are speculation, but: The card designs could have been approved around the same time period as the first wave of 1996 cards, the contract could have enforced the release date of 1997 to stagger product hitting the market, the contract could have stipulated mew was to be withheld until approved, or indefinitely, or permission triggered by some other event such as a sales target
E VERYTHING YOU NEED TO PLAY AND MORE Each deck also comes with 10 double-sided tokens, 1 life tracker, 1 deck box, and a Collector Booster Sample pack containing 2 special alt-frame cards, including 1 Rare or Mythic Rare card Battle with Ready-to-Play Decks Magic: The Gathering Doctor Who brings the Doctor Who universe to life with cards featuring your favorite characters, beloved moments, and thematic game mechanics
If it is night, permanents with daybound that enter the battlefield without being cast will enter with their nightbound faces up