Casual players love this card and a single well placed strike can wipe out an opponent's entire board
aron benalia's ruin, brimaz blight of oreskos, bronze guardian, commander precons, deadly dispute, flesh eater imp, grafted butcher, growing threat, idol of oblivion, incubate, lion sash, march of the machine, mite overseer, moira and teshar, morbid curiosity, regna's sanction, ruthless technomancer, sigarda's summons, towashi guide bot
Illustrated by Greg Opalinski Standard Not Legal Alchemy Not Legal Pioneer Legal Historic Legal Modern Legal Brawl Legal Legacy Legal Comp
Most likely, Wizards of the Coast will slowly introduce other Artifact subtypes for flavor reasons, leaving the door open for Artifact typal exploration in a future set
Given the density of powerful artifacts available, this isn't an unreasonable demand
Outside of Niv decks, there are some Standard decks that come close to meeting Jegantha, the Wellspring restriction, but most have a small number of key cards that they probably can't afford to lose