Quick-Play Spell
Use only during the Main Phase. Choose 1 DARK Xyz Monster you have in play that has no Xyz Materials and play 1 DARK Xyz Monster that is 1 Rank higher than that monster you have in play through a Special Summon to your field by using it as the Xyz Material, then include this card with it as an Xyz Material. This Special Summon counts as an Xyz Summon. Xyz Materials included with it are included with the monster that was played face-up by this effect. During your Main Phase, you can remove this card in your Graveyard from play, then choose 1 DARK Xyz Monster you have in play and include 1 monster in your hand with "The Phantom Knights" in its name as Xyz Material with the choosen monster.
RARE