Mobius the Mega Monarch [LVAL-EN040] Ghost Rare Gold Secret Rare If Summoning an "Invoked" Fusion

If Summoning an "Invoked" Fusion Monster this way

Once per turn: You can target 1 monster your opponent controls

before damage calculation: Equip this card to the attacking monster

then activate 1 of these effects

Mobius the Mega Monarch [LVAL-EN040] Ghost Rare Gold Secret Rare If Summoning an "Invoked" FusionSet: Legacy of the Valiant Card type: Effect Monster Rarity: Ghost Rare Attack: 2800 Defense: 1000 You can Tribute Summon this card by Tributing 1 Tribute Summoned monster. When this card is Tribute Summoned: You can target up to 3 Spell Trap Cards on the field; destroy those targets. If this card was Tribute Summoned by Tributing a WATER monster, add this additional effect. Your opponent cannot activate the targeted card(s) in response to this