Skill Drain (TU08-EN001) - Turbo Pack: Booster Eight Unlimited Condition:Moderatly Played Card TextIncrease the ATK of

Card TextIncrease the ATK of each face-up monster on the field that includes Ancient Gear in its card name by 300 points

except during the Damage Step: You can target 1 "D/D" monster in your Graveyard

You can only activate 1 "Storm Dragon's Return" per turn

then if its ATK has been reduced to 0 as a result

Skill Drain (TU08-EN001) - Turbo Pack: Booster Eight Unlimited Condition:Moderatly Played Card TextIncrease the ATK ofTypenull Normal Trap AttributeTRAP Level Rank0 Card TextActivate by paying 1000 Life Points. The effects of all face up monsters on the field are negated while those monsters are face up on the field (but their effects can still be activated).