Its role is primarily that of a powerful mid to late-game asset rather than a starter or rival
But in the TCG
Orzhov Sacrifice decks like Teysa, Orzhov Scion, Ayli, Eternal Pilgrim, and partners Regna, the Redeemer / Krav, the Unredeemed usually keep the opposing board squeaky clean with stuff like Dictate of Erebos and good ol' fashioned Damnation, making this a good fit, but also any Black Control deck with a relatively cheap / repeatably cast commander may want to consider Skull Storm over the usual finishers
While theyre typically the alternative Commander choice in the Mutant Menace deck, The Master, Transcendent can more than stand on their own
When you roll a number you visit all those Attractions you have on the battlefield, so hitting a 6 is the jackpot
When you're casting instants on opponents' turns then Wavebreak Hippocamp is repeatable card draw