Artifact Creature — Robot
Behemoth of Vault 0
Trample When this creature enters, you get {E}{E}{E}{E} (four energy counters). When this creature dies, you may pay an amount of {E} equal to target nonland permanent's mana value. When you do, destroy that permanent.
From Magic: The Gathering.
Exact printings
Open the interactive version on https://mythscribe.cloud/app/tcg/cards/cms6obm2y7w97pb1h4j9rmm70.