This card is significant because it marks the first Special Illustration Rare treatment for Mega Charizard Y, finally giving the sleek, aerodynamic form the premium art treatment previously reserved for the bulky Mega Charizard X
You're absolutely right
I think Saffi is a fine card to run, since the Reveillark loop is a Real Thing, but there are limits
That stopped being a thing pretty quickly as dorks first phased out for super powerful spells, then slowly phased back in, first with lots of utility and EtB effects and more recently with massive amouts of stats, keywords, activated, triggered and static abilities too
All hail the great and powerful Muxus, Goblin Grandee
Perhaps you need to control your opponents Pokmon a bit more, with cards such as Bosss Orders