Armed Dragon Lightning

If an "Armed Dragon" monster(s) you control would be destroyed by card effect, you can send this card to the GY instead. You can target 1 "Armed Dragon" monster you control, then activate 1 of these effects; ● It gains ATK equal to its Level x 100 (even if this card leaves the field). ● Add 1 "Armed Dragon" monster with an equal or lower Level than it from your GY to your hand. You can only use this effect of "Armed Dragon Lightning" once per turn.

Continuous Spell Card spell