Hitting artifacts will help set it apart as that is something the other black wraths cannot do and can make it incidentally way higher impact against some decks like Rakdos Monument
The main ability were looking at is that when a card leaves your graveyard, you get to make a 2/2 Zombie Druid token

Synthoids Aang and La, Ocean's Fury Aang, A Lot to Learn Aang, Air Nomad Aang, Airbending Master Aang, Destined Savior Aang, Master of Elements Aang, the Last Airbender Aardvark Sloth Abbey Gargoyles Abbey Griffin Abbey Matron Abbot of Keral Keep Abdel Adrian, Gorion's Ward Aberrant Aberrant Manawurm Abolisher of Bloodlines Abomination, Irradiated Brute Abomination, Terrifying Titan Abomination, World Ravager Aboroth Absolver Thrull Absolving Lammasu Absorbing Man and Titania Abstract Iguanart Abstruse Archaic Abu Ja'far Abuna Acolyte Abundant Maw Abzan Battle Priest Abzan Beastmaster Abzan Falconer Abzan Kin-Guard Abzan Skycaptain Academy Manufactor Academy Raider Academy Rector Acclaimed Contender Accomplished Alchemist Accomplished Automaton Accorder Paladin Ace, Fearless Rebel Acid Web Spider Acidic Slime Acidic Slime Acolyte Hybrid Acolyte of the Inferno Acridian Acrobatic Cheerleader Action News Crew Adamaro, First to Desire Adanto Vanguard Adaptive Automaton Adaptive Gemguard Adaptive Shimmerer Adaptive Snapjaw Adaptive Sporesinger Adarkar Sentinel Adarkar Unicorn Adarkar Valkyrie Adder-Staff Boggart Adelbert Steiner Adeline, Resplendent Cathar Adeline, Resplendent Cathar Ademi of the Silkchutes Adept Watershaper Adherent of Hope Adipose Offspring Admonition Angel Adorable Kitten Adorned Pouncer Adrenaline Jockey

Rukarumel, Biologist was also removed because it has a different goal and needs a deck built around that, being better as a commander in another deck
The other terrifying thing about Morph, Space Goo, from an opponents perspective, is that it doesnt telegraph what character youre about to Shift to