It can be a brick if you draw it without the right support cards, it's summoning condition is highly specific, and it won't stay on the field thanks to its end phase effect being mandatory
PSE Prismatic Secret Rare Firewall Dragon Singularity X DARK Link 6 [ CyberseLinkEffect ] ATK 3500 DEF - 3+ Effect Monsters (Quick Effect): You can target cards in your opponent's field and/or GY, up to the number of different card types (Ritual, Fusion, Synchro, Xyz) in your field and GY
On its own, it's a relatively underwhelming card that can deal 30 damage with its Tackle
For just three mana its got a lot going for it 1/4 is a decent size that can dodge a lot of common early game sweepers in red (Brotherhoods End), its got two relevant creature types as an Elemental Pirate, and if youre not set up to combo out, you can always just cycle it away and get it back with something like Underworld Breach when youre ready to go off and win the game
Wrong Backs and Dual-Front Cards These are among the rarest and most dramatic error types, and they generate enormous excitement when they surface