When you smash face to an opposing player, you can put a dork you exiled on the battlefield under your control, which is likely with its flying, and then you can tap it in future turns to keep up, if your first crew was answered
This card becomes a powerful anthem in a dedicated lifegain deck
Of course, it can't win you the game NOW, because then the epic keyword would be useless, so epic can only be put on a card that will cost a shit ton of mana and has an effect that won't win you the game until it's repeated multiple times
The spell's color, mana cost, converted mana cost, and so on are determined by only those alternative characteristics
To tell the rarity of a card, check the rarity symbol at the bottom: black circle (common), diamond (uncommon cards), star (rare cards)