Ancient Gear Castle (UTR) [SOI-EN047] Ultimate Rare Earth you can further increase its

you can further increase its ATK by an amount equal to half the ATK of your target

Increase the ATK of this Special Summoned Fusion Monster by an amount equal to its original ATK

the selected monster's ATK is

Destroy a number of monsters on the field equal to the number of Heads

Once per turn turn

Ancient Gear Castle (UTR) [SOI-EN047] Ultimate Rare Earth you can further increase itsSet: Shadow of Infinity Card type: Continuous Spell Rarity: Ultimate Rare Increase the ATK of each face up monster on the field that includes Ancient Gear in its card name by 300 points. Each time a monster(s) is Normal Summoned or Set, put 1 counter on this card. If you Tribute Summon a monster that includes Ancient Gear in its card name, you can substitute this card for a Tribute(s), if the number of counters on this card is equal to or greater than