Halsin Halsins common trait between Baldurs Gate 3 and Magic seems to be his ineffectiveness
This does not necessarily make those decks bad, as their power level can overcome this flaw if the combo it provides is simple enough to win games when it opens optimally
Its VSTAR power is incredibly useful as well, allowing you to power up some of the more demanding water Pokmon in the set - such as Radiant Greninja, whose attack requires you to discard two energy
Putting them together does make for a better card, and sometimes aggro decks really want a card that just blanks a couple of blockers and they also are pretty happy with a combat trick, even if this one isnt the greatest
Introduced in Dominaria, Hexproof from X (where X can be any type of card) is a minor adjustment to hexproof that was meant to nerf the mechanic while keeping the original flavor intact
Flash tremendously changes the way a card like this plays out, and it comes with some free incidental mill