This seal is the equivalent of the old, silver-bordered cards
Prosper, Tome-Bound requires considerably more setup to use optimally, but if your deck is already playing a lot of cards that let you play cards from exile, the value it generates from its Treasure tokens can be absolutely silly
that opponent's monster's ATK becomes 0 until the end of this turn, also for that battle, monsters cannot be destroyed by battle and neither player takes battle damage
you cannot Special Summon monsters until the end of your next turn, except WATER monsters, also send 1 Level 5 or higher WATER monster from your Deck to the GY, then you can add 1 WATER monster from your GY to your hand
Add 1 "Sin" Spell/Trap card from your Deck to your hand
For Magic: The Gathering FINAL FANTASY, players can create a hero (and even draw an image of their hero on a token) that they'll guide through a series of increasingly difficult quests for rewards until they complete the final quest step to win