For reference, this cards original printing was in the Strixhaven Commander deck for Osgir, the Reconstructor, who can make multiple copies of this that can be sacrificed when necessary for a brand new hand of seven cards
Tetsuo Umezawa itself is a Grixis (black/blue/red) 3/3 for three mana who cannot be targeted by aura spells
Conduit of Emrakul Conduit of Storms Dronepack Kindred Erupting Dreadwolf Fibrous Entangler Howling Chorus Kessig Prowler Shrill Howler Sinuous Predator Smoldering Werewolf Tangleclaw Werewolf Ulrich of the Krallenhorde Ulrich, Uncontested Alpha Ulvenwald Abomination Ulvenwald Captive Vildin-Pack Outcast
It still shows up in Legacy decks, too
You may put it into your graveyard.) Illustrated by Sam Burley Standard Legal Alchemy Not Legal Pioneer Legal Historic Legal Modern Legal Brawl Legal Legacy Legal Comp
It is easier to cast, generally has a more potent removal effect, can scale up in power, and has that valuable lifegain option