Tectonic Split Maybe itll end up another Bootleggers' Stash or A Realm Reborn, but Tectonic Split looks busted, which probably means that it is with the right support pieces
For starters, he has a -1 ability that provides some nice value, milling you and bringing something from the grave back to your hand

Arcane Bombardment Arcane Heist Arcane Proxy Arcane Savant Bloodthirsty Adversary Blue Mage's Cane Chandra, Hope's Beacon Chandra, Pyromaster Demilich Dual Strike Elemental Expressionist Elite Arcanist Emeritus of Truce Ether Eye of the Storm Finale of Promise Flawless Forgery Founding the Third Path Galvanic Iteration God-Eternal Kefnet Impulsivity Increasing Vengeance Isochron Scepter Jaya, Fiery Negotiator Magar of the Magic Strings Mizzix's Mastery Mnemonic Deluge Muddle, the Ever-Changing Myra the Magnificent Mysterious Stranger Panoptic Mirror Psionic Ritual Refuse // Cooperate Renegade Bull Roving Actuator Saruman of Many Colors Signature Spells Skycoach Conductor Soundwave, Sonic Spy Spellbinder Spellbinding Soprano Spelltwine Spellweaver Volute Stella Lee, Wild Card Storm of Memories Stormsplitter Surge to Victory The Tale of Tamiyo Wizard's Spellbook Wizards of Thay

Pull rate from Rare Packs: 2.56% The estimated pull rate for Shuckle ex (Wisdom of Sea and Sky) from a Rare Pack is approximately 2.56%, meaning you might need to open around 40 Rare Packs to obtain it
This cards eminence ability is at its strongest during the early stages of a match