It has an awesome effect but I am not sure about its summoning cost. Is it to hard to summon?

Armed Dragon Destroyer
Attribute Dark Dark
Type(s) [ Warrior/Effect ]
Level 9 Level2Level2Level2Level2Level2Level2Level2Level2Level2
ATK / DEF 3800 / 3000
This card cannot be normal summoned or set. This card cannot be Special Summoned except by removing from play 1 Dark Armed Dragon on your side of the field. Once per turn, destroy 1 face-down monster on your opponent's side of the field and inflict damage to your opponent equal to the destroyed monster's DEF.
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