Mist Valley Thunder Lord [HA02-EN060] Secret Rare ST6-11 You can only activate 1

You can only activate 1 "Spellbook Library of the Crescent" per turn

[Main] Delete all Digimon with play costs of 7 or less

when a card or effect is activated that would inflict damage to you

• 5–6 Cards of rarity Rare or higher

and 1 Art Card in every pack

Mist Valley Thunder Lord [HA02-EN060] Secret Rare ST6-11 You can only activate 1Set: 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.