AceSpades Speculation

1 monster with 2500 or more ATK + 1 face-down Defense Position monster with 2500 or less DEF
You can only Special Summon 1 "Ace★Spades Speculation" per turn. Apply the following effects depending on this card's battle position.
●Attack Position: This card gains ATK equal to the original ATK of the monster your opponent controls with the highest original ATK.
●Defense Position: This card cannot be destroyed by battle or card effects.
You can Tribute 1 Attack Position monster you control and 1 face-down Defense Position monster you control; Special Summon this card from the GY.