Cataclysmic Gearhulk [Kaladesh Inventions] Ooze The system can be changed

The system can be changed from within

Set: Phyrexia: All Will Be One Prerelease Promos Type: Creature — Phyrexian Dinosaur Rarity: Mythic Cost: {4}{G}{G}{G} This spell can't be countered

Set: The Lord of the Rings: Tales of Middle-Earth Commander Type: Land Rarity: Mythic {T}: Add one mana of any type that a land you control could produce

1UU: Target permanent becomes an artifact in addition to its other types

Cataclysmic Gearhulk [Kaladesh Inventions] Ooze The system can be changedSet: Kaladesh Inventions Type: Artifact Creature Construct Rarity: Mythic Cost: {3}{W}{W} Vigilance When Cataclysmic Gearhulk enters the battlefield, each player chooses an artifact, a creature, an enchantment, and a planeswalker from among the nonland permanents they control, then sacrifices the rest.