If a card with jump-start is put into your graveyard during your turn, you'll be able to cast it right away if it's legal to do so, before an opponent can take any actions
Like most Magic: The Gathering cards, the value of Rinoa Heartilly depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Final Fantasy)
The Water Crystal Rating: 1/10 My Bruvac the Grandiloquent Commander deck is eating well with this set, but this isnt good in Limited
None of the tapping requires mana or tapping her, so you can do them on arrival to the battlefield and as many times as you have untapped stuff
Poor Torgal"
The answer for me ended up lying somewhere in the middle, as opening these $1000 lighting rods for debate was a somewhat strange and ultimately fairly anticlimactic experience and I say that having opened two boxes that are probably as close to ideal as you can statistically hope for