Lt. Surge's Voltorb (84/132) [Gym Heroes Unlimited] 009 during damage calculation you can

during damage calculation you can send 1 card (only) from your hand to the Graveyard to have this card gain 600 ATK during damage calculation only

Set: Duelist Pack: Rivals of the Pharaoh Card type: Continuous Spell Rarity: Common This card can only be placed on the field by the effect of "Destiny Board"

Set: Duel Terminal 5 Card type: Effect Monster Rarity: Common Attack: 600 Defense: 1300 Remove from play this card in your Graveyard to negate 1 attack from a monster your opponent controls

Special Summon this card from your Graveyard

but that monster cannot attack this turn

Lt. Surge's Voltorb (84/132) [Gym Heroes Unlimited] 009 during damage calculation you canSet: Gym Heroes Unlimited Type: Lightning Rarity: Common Retreat cost: Colorless