Their normal attack, Fabled Flarebolts, require them to discard a fair number of Energies, though at the maximum potential can unleash 270 damage on the Active foe
For a while, Ramp;D used a term "marquee card" which meant it was a splashy card that drew a lot of attention to itself and did something that had never been done before
I'm already running Rhystic Study, but you might also throw in Faerie Mastermind, Ledger Shredder, Mystic Remora, and a handful of other Blue staples that I left out
Seeing as Magic has different sets and sometimes a rat has to crew a submarine to attack into an animated Mountain, the chances of this card succeeding is very high
The overall pattern mirrors other early OPTCG sets initial launch premiums correct over 612 months, then stabilize as print runs end