Whenever Vincent Valentine attacks, you may transform it
While exiling your own creature is generally frowned upon, youll be gaining yourself 10,000 life, which is a huge amount in any game
Its activated ability digs through an opponents library until it hits an instant, sorcery, or creature, and then it lets you cast that card for free
The card itself makes four 1/1 Hero tokens and then powers up every creature on your board, to reflect the story of summoning your adventuring party and imbuing them with the power of the crystals
Milling your opponent is actually positive for them unless you can finish them off, and there simply isnt enough lifegain to enable Hope as a potential win condition
Often, youll have to trade two cards for one of your opponents bigger threats this is where A Whole New World shines by refilling your hand