Megamorph [SRL-061] Ultra Rare Spirit/Effect Monster You can only use this

You can only use this effect of "Magical Musketeer Starfire" once per turn

then target 1 Effect Monster your opponent controls

Set: The Lost Art Promotion Card type: Normal Trap Rarity: Ultra Rare During your opponent's turn: Target 1 face-up monster your opponent controls whose ATK is less than or equal to their LP

This card cannot be Special Summoned except by Tributing 1 "Dark Magician"

neither player can send cards from the Deck to the Graveyard

Megamorph [SRL-061] Ultra Rare Spirit/Effect Monster You can only use thisSet: Spell Ruler Card type: Equip Spell Rarity: Ultra Rare While your Life Points are lower than your opponent's, double the original ATK of a monster equipped with this card. While your Life Points are higher, halve the original ATK.