For starters, this creature gets +1/+0 for every artifact you control, making it a very power-heavy card in some decks
Sure, sometimes you whiff with a counterspell or something, but that kind of value can be hard to keep up with
Bring it Down
Forum Necroscribe Graveshifter Grim Reaper, Lethal Legionnaire Grub, Storied Matriarch Hazel's Nocturne Hex of Undeath Illicit Masquerade It Doesn't Add Up Live or Die Macabre Reconstruction Macabre Waltz Moseo, Vein's New Dean Mourner's Surprise Nullpriest of Oblivion Prison Break Pull from the Grave Queen's Bay Paladin Ral Zarek, Guest Lecturer Rat King, Verminister Sanguine Indulgence Scavenger's Talent Scrounge for Eternity Sidisi, Regent of the Mire Soulcoil Viper The Soul Stone The Terminus of Return Unbury Unliving Legionnaire Valgavoth's Faithful Vampire Soulcaller Viggo, Enforcer of Ig's Crossing Visage of Dread Wail of War Xu-Ifit, Osteoharmonist Zombify Zuko's Conviction
Sure, it doesnt add mana, but who needs it to when it fills your graveyard for nothing
And only costs 5 mana to play