Mist Valley Thunder Lord [HA02-EN060] Secret Rare

Set: Hidden Arsenal 2 Card type: Synchro/Effect Monster Rarity: Secret Rare Attack: 2600 Defense: 2400 1 Tuner + 1 or more non-Tuner "Mist Valley" monsters Once per turn, you can select 1 card you control. Return ir to the hand, and this card gains 500 ATK until the End Phase. This effect can be activated during either player's turn.