It's definnitely situational removal, but it will be easier than normal to drive the damage up on this thanks to Job Select equipment, each of which adds 2 damage to this
As a commander Sisay works a lot better since you likely have plenty of cards from different sets among your 99
She has a lot of fouls going on
Which is actually pretty cool because Slivers have more ways to interact with opponents than most players would think
Whats even better is, the next ability, Amazing Star, uses one Psychic, one Fighting and one Metal to take seven basic Energy cards from your deck and attach them to your Pokmon anyway you like
In Standard, you wont have as many Gates to work with as elsewhere, making Maze decks a harder thing to bring together