Cataclysmic Gearhulk is a special Artifact Creature — Construct card from Kaladesh Inventions (MPS), collector number 1. Current market price: — (foil $40.16), TCGplayer market prices via Scryfall.
Vigilance When this creature enters, each player chooses an artifact, a creature, an enchantment, and a planeswalker from among the nonland permanents they control, then sacrifices the rest.