You can use it as a sort of protective spell by responding to an opponents removal spell and copying the creature they attempt to kill, or surprise a creature like Niv-Mizzet, Parun in combat to trade
It also includes guidance for each of Magics 5 colors, to hopefully make the set more draftable It then generates a bunch of possibilities for cards, where each card is just a one sentence idea
Its to help take the sting out of the fact that youre too much of a coward not to admit to wanting to use Chun-Li to hurricane kick your opponent into next week
A creature dying will be put into the graveyard as a state-based effect, and its considered destroyed
If Starting Town NPC leaves the battlefield while one or more creature cards you own are exiled after they're sent to Fetch Herbs, those creature cards can still be cast from exile
The latter makes all your Dragons free to cast