Preference in this case can turn into votes or best card designs
That puts its floor at a Concentrate which is entirely respectable

Labs Aang's Journey Aang, Master of Elements Aardvark Sloth Abattoir Ghoul Abiding Grace Absolving Lammasu Absorb Absorb Vis Abuna's Chant Abundant Maw Abzan Guide Acolyte of Aclazotz Act of Aggression Adorable Kitten Adventurer's Inn Adventurous Eater Aerial Assault Aerial Predation Aerial Responder Aerith Gainsborough Aetherflux Reservoir Agate-Blade Assassin Ageless Entity Agent of Masks Agonizing Syphon Airdrop Aeronauts Ajani Goldmane Ajani Vengeant Ajani's Mantra Ajani's Pridemate Ajani's Sunstriker Ajani's Welcome Ajani, Inspiring Leader Ajani, Mentor of Heroes Ajani, Sleeper Agent Ajani, Strength of the Pride Ajani, Wise Counselor Ajani, the Greathearted Akoum Refuge Al Bhed Salvagers Alabaster Mage Alchemist's Gift Alert Heedbonder Alhammarret's Archive Alive // Well Alive // Well Alley Assailant Alms of the Vein Alquist Proft, Master Sleuth Altar of the Pantheon Amalia Benavides Aguirre Amateur Hero Amazing Alliance An Incident Has Occurred An-Havva Inn Ancestor Dragon Ancestor's Chosen Ancestor's Prophet Ancestral Tribute Anchovy & Banana Pizza Ancient Cornucopia Angel of Destiny Angel of Mercy Angel of Renewal Angel of Vitality Angel's Feather Angel's Mercy Angelheart Vial Angelic Chorus Angrath, the Flame-Chained Animal Boneyard

If not dealt with it tends to be enough to beat agro decks but is obviously a kill on sight card for things like red deck wins
Notably, this ability says 'all zombies', meaning if there's another zombie deck at the table, you can activate this ability on that player's turn and forge an undead alliance against the table