You're maximum hand size is 7, unless you have cards out that say otherwise like Reliquary Tower
Release to Memory disrupts an opponent's graveyard in a way that's synergistic with token decks or Spirit typal decks
Will's the reverse of that, but gaining life and discounting blue/white spells isn't nearly as dangerous, even if you can get a cheap Sphinx's Revelation or Heliod's Intervention out of this
The reverse, of course, shows a triangle pointing down which means that its the cards face down side, though if this is the side youre currently using, itll be face up
Though youll find the usual Commons, Uncommon and Rare cards in the One Piece Card Game, theres also more that are definitely worth knowing about and understanding
Case of the Stashed Skeleton The Solved effect on Case of the Stashed Skeleton is exactly Demonic Tutor