Watch out for nuke overflows.
CYHO-JP073 Cybernetic Overflow
Normal Trap Card
You can only use the (1)st and (2)nd effects of “Cybernetic Overflow” once per turn, each.
(1) Banish any number of “Cyber Dragon(s)” with different Levels that are in your hand, in your GY, and/or face-up on your field, then destroy that many cards your opponent controls.
(2) If this card on the field is destroyed by a card effect: You can activate this effect; add 1 “Cyber” Spell/Trap Card from your Deck to your hand.