Effects like the Historic banned Spreading Seas can fix this and, since Islandwalk is a recurring mechanic across Merfolks, it is probably worthwhile running some effects like that, making Master of the Pearl Trident an absolute menace
Hurska is really best when you're already ahead because the need to gain a chunk of life before you use the pump effect is difficult to balance
What you dont want to be doing is Crewing with two two-power creatures, as that seems awfully inefficient
A similar (but much less dramatic) jump can be seen on TCGPlayer, where the estimated price climbed from $327.97 (268.82) to $339.79 (278.51) in the same time period
Altogether, the market for singles in the Pokmon TCG has been skyrocketing, with the games continued short supply escalating the values of stunning chase cards even further Altogether, there have been ten cards that have stood above the rest