Earthbound Servant Geo Gremlin - Maze of Millennia

1 DARK Tuner + 1+ non-Tuner monsters
During the Main Phase (Quick Effect): You can target 1 face-up monster your opponent controls; your opponent chooses 1 of these effects for you to apply.
• Destroy that monster. • Gain LP equal to that monster's ATK.
During the Battle Phase (Quick Effect): You can Fusion Summon 1 "Earthbound" Fusion Monster from your Extra Deck, by banishing its materials from your hand, field, and/or GY. You can only use each effect of "Earthbound Servant Geo Gremlin" once per turn.