Shadow Flame Archfiend

[I Hate Snatch Steal]

[URL=http://s106.photobucket.com/user/somen00b/media/custom%20yu-gi-oh%20cards/xyz/ShadowFlameArchfiend_zps9281fd8f.jpg.html][/URL]

 

(This card is also DARK).
An Xyz Monster that was Summoned using this card as Xyz Material gains this effect.
*Once per turn, during either player's turn: You can discard 1 card, then target 1 face-up monster your opponent controls; inflict damage to your opponent equal to the difference between that monster's original ATK and current ATK, and if you do, banish it.

 

A random idea I had, lets see how it does.

[Spenсe]

Good 1900 beater, but the eff is too situational. I can see it as a sidedeck card maybe, but considering it only activates after you successfully get out your xyz, I can't really see it being played. UNLESS the ruling is that 0 damage is acceptable for the banishing part. At that point,a quick effect banishing eff would be way too OP.

[I Hate Snatch Steal]

Good 1900 beater, but the eff is too situational. I can see it as a sidedeck card maybe, but considering it only activates after you successfully get out your xyz, I can't really see it being played. UNLESS the ruling is that 0 damage is acceptable for the banishing part. At that point,a quick effect banishing eff would be way too OP.

http://yugioh.wikia.com/wiki/Card_Rulings:Waboku

 

Based on this, 0 damage doesn't count, thus I don't think you can activate the effect if the monster's current and original ATK are the same. Strangely number c103 doesn't have a ruling on this...