Considering Captain America, Team Leader helms the Avengers Assemble precon, Champions from Beyond makes for a compelling upgrade
Hell, even the new mechanics are retreads of designs that weve seen before
Xira, the Golden Sting and Vazi, Keen Negotiator break out of this mold, but they strike me as more lieutenant-types, not arc villains by themselves
Of course, weve had enablers like Greasefang, Okiba Boss, but true payoffs like Start Your Engines and Armed and Armored were a bit less visible until recently
Changeling Outcast, Skullsnatcher, Mistblade Shinobi, and Throat Slitter are all ninja creatures that can trigger the Tigers Shadows ability
Why Its Iconic: Necropotence redefined what card advantage meant in Magic: The Gathering