Even if you never transform the creature into Tamiyo, Seasoned Scholar, its a hyper cheap threat that stacks Clue tokens to crack at your leisure

A Trail of Teacups Adun Oakenshield Aerith, Last Ancient Aid the Fallen Along the Crooked Way Avatar Destiny Avengers Quinjet Badlands Revival Blood Beckoning Blood Spatter Analysis Blood for Bones Body Snatcher Bonebind Orator Bortuk Bonerattle Braids's Frightful Return Breath of Life Cabal Surgeon Cadaver Imp Call Damage Control Call to the Netherworld Carrion Thrash Cauldron Dance Cemetery Recruitment Charnel Serenade Cheerful Osteomancer Chthonian Nightmare Clear the Stage Colfenor, the Last Yew Consumed by Greed Corpse Churn Corpse Cur Corpse Dance Corpse Hauler Courier Bat Crawl from the Cellar Crop Sigil Cruel Ultimatum Crypt Angel Daily Bugle Reporters Darigaaz's Charm Dawn Evangel Deadbridge Chant Deadwood Treefolk Death Spark Death's Oasis Dee Kay, Finder of the Lost Defiled Crypt // Cadaver Lab Defossilize Desecrator Hag Diabolic Servitude Dig Up the Body Disentomb Disturbed Burial Disturbing Plot Doctor Jane Foster Doombot Harbinger Draugr Recruiter Dross Skullbomb Druidic Ritual Dutiful Attendant Echoing Return Edgar's Awakening Eerie Soultender Emergency Weld Endbringer's Revel Enduring Renewal Entomber Exarch Erebos's Titan Eternal Taskmaster Evolution Charm Exhumer Thrull

Battles have lots of things our parser knows how to handle, like a mana cost, a linked back face, and rules text, but it also has defense counters
This is huge
But whats really cool about this card is that it doesnt say whenever a nontoken legendary creature enters, but rather, whenever a nontoken legendary permanent enters Thats right, we can also copy our Oketras Monument
It has a decent way to protect itself by making a monk, can generate card advantage, and even has a sweet and often game-winning emblem