Xyz Support Cards (Overlay)

[Tinkerer]

Hello, fine peoples!

I made these last week and I figure I might as well post 'em.  They aren't what I would call groundbreaking, but they do build on a lesser-explored mechanic.

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Detach 1 Xyz Material from 1 Xyz Monster on the field; destroy 1 card on the field.  If you detached the last Material from a monster to activate this effect, you can attach this card to it as Material instead of sending it to the GY.  An Xyz Monster that has this card as Material gains this effect.
● This card gains 500 ATK, and if it destroys an opponent's monster by battle, you can draw 1 card.

 

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Detach 1 Xyz Material from 1 Xyz Monster on the field; during this Battle Phase, all monsters you control inflict piercing damage.  If you detached the last Material from a monster to activate this effect, you can attach this card to it as Material instead of sending it to the GY.  An Xyz Monster that has this card as Material gains this effect.
● When this monster battles an opponent's monster, the battle damage inflicted to your opponent is doubled.

 

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Detach 2 Xyz Materials from 1 Xyz Monster on the field; draw 1 card.  If you detached the last Material from a monster to activate this effect, you can attach this card to it as Material instead of sending it to the GY.  An Xyz Monster that has this card as Material gains this effect.
● At the start of the Damage Step, if this card battles a monster: You can return that monster to the hand.

 

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Detach 1 or 2 Xyz Materials from 1 Xyz Monster on the field and target an equal number of monsters on the field; that target(s) is unaffected by the effects of cards that target it for the rest of the turn.  If you detached the last Material from a monster to activate this effect, you can attach this card to it as Material instead of sending it to the GY.  An Xyz Monster that has this card as Material gains this effect.
● This card gains 300 ATK/DEF and cannot be destroyed by card effects.

 

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Target 2 monsters you control; the first target's Level becomes the same as the second target, then, immediately after this effect resolves, Xyz Summon 1 monster using monsters you control as Material, and if you do, attach this card to the Xyz Monster as Material.  An Xyz Monster that has this card as Material gains this effect.
● Twice per turn: You can detach 1 or 2 materials from this card; if you detached 1, send 1 "Overlay" card from your Deck to the GY.  If you detached 2, add 1 "Overlay" card from your Deck to your hand.

If you want to run with this idea some more, feel free!  There's a handful of "Overlay" cards in real life and their main focus is adding/removing materials from your/your opponent's Xyzs respectively.  As always, CnC is much appreciated!

Cheers!