Cloud, Tidus, Terra, and Y'shtola will each lead their own 100-card precon decks, as designers for the set sought to focus on fan favorites while also prioritizing characters that most flavorfully integrate Magic: The Gathering mechanics
Just look at those players dirdling in the Phyrexian Arena and losing life along the way
In media interviews before the panel, the game designers spoke about the imperative they felt to get things right to design cards that felt authentic to the games and series, cards that felt meaningful to the fans, instead of just constructing them based on business goals
Block Icon 3 Type The Seven Warlords of the Sea/Donquixote Pirates Effect [Main]/[Counter] Look at 3 cards from the top of your deck
Of all the colors, this is probably the most difficult to understand as it applies to a sapient individual, but heroes of destiny and their mentors tend to have at least some green in them