Von Fitzgerald, Mad Cyborg

Artifactwalk (This creature can't be blocked as long
as defending player controls an artifact)
{1}{u}{b},{t}: Counter target artifact spell unless that spells controller pays X life where X is that spells converted mana cost.
{2}{u}{b}: Destroy target noncreature artifact. Its controller creates a 0/1 colorless Cyborg artifact creature token. That player loses life equal to the number of Cyborgs that player controls.