The other is the second half of the widely touted team-up between Wizards of Warhammer 40,000 maker games Workshop
Other versions of him aren't trailing too far behind, though, with the borderless version at #12, and the basic printing at #13
Mystic Snake was often a way to do damage to an opponent who you otherwise couldn't find an opening to get a threat down against or a two-for-one by fighting one of the many bears that were in decks in those days, and when it did these things it was good
Shrines decks have been popular ever since Go-Shintai of Lifes Origin was printed in Kamigawa: Neon Dynasty
And Graveyard decks like Muldrotha, the Gravetide love the Profaner as a board bounce option that is easily recurred
You could even avoid cheap spells altogether, and have Keruga, the Macrosage as your companion