To be honest, Im not big enough in either world to help sort out the difference, but in terms of impact, I think Lorcana will become the biggest CCG/TCG product of all time because Disney fans are the most hardcore fans of any entertainment property I have ever met
(If you cast this spell for its blitz cost, it gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step.) You may cast this card from your graveyard using its blitz ability
Prompto's last ability resolves before the spell that caused it to trigger
The best use-case is to simply play an evasive creature on turn 2, then you can play Tymna on 3, attack, and immediately draw a card
Dancer's Chakrams should work wonders with other white-leaning group slug cards like Duskmourn s Arabella, Abandoned Doll
Generally, the rarer the misprint, the more its worth to the right buyer