It is pretty much as slow as the Wurmcoil as far as this list goes and both less robust and less life returns hence being lower on the list and otherwise being very comparable

Release date: 2016-04-19 Abundant Maw Decimator of the Provinces Distended Mindbender Drownyard Behemoth Elder Deep-Fiend Emrakul, the Promised End Eternal Scourge It of the Horrid Swarm Lashweed Lurker Mockery of Nature Vexing Scuttler Wretched Gryff Blessed Alliance Borrowed Grace Brisela, Voice of Nightmares Bruna, the Fading Light Choking Restraints Collective Effort Courageous Outrider Dawn Gryff Deploy the Gatewatch Desperate Sentry Drogskol Shieldmate Extricator of Flesh Extricator of Sin Faith Unbroken Faithbearer Paladin Fiend Binder Geist of the Lonely Vigil Gisela, the Broken Blade Give No Ground Guardian of Pilgrims Ironclad Slayer Ironwright's Cleansing It That Rides as One Lone Rider Long Road Home Lunarch Mantle Peace of Mind Providence Repel the Abominable Sanctifier of Souls Selfless Spirit Sigarda's Aid Sigardian Priest Spectral Reserves Steadfast Cathar Subjugator Angel Thalia, Heretic Cathar Thalia's Lancers Thraben Standard Bearer Advanced Stitchwing Chilling Grasp Coax from the Blind Eternities Contingency Plan Convolute Curious Homunculus Voracious Reader Displace Docent of Perfection Final Iteration Drag Under Enlightened Maniac Exultant Cultist Fogwalker Fortune's Favor Geist of the Archives Grisly Anglerfish Grizzled Angler Identity Thief Imprisoned in the Moon Ingenious Skaab

Though Tezzeret's original goal was to find a way home, now he's not so sure
What is clear, however, is that this ability will provide some extra resilience to Abzan decks
Despite Betors seemingly steep requirements to do its thing, reaching 10 total toughness is a breeze in a deck full of creatures with inflated toughness