Exchange of the Spirit [RP01-EN099] Secret Rare Secrets of Eternity you can send this card

you can send this card from your hand to the Graveyard to have that monster gain ATK equal to the ATK of the opponent's monster it is battling

Set: Retro Pack 1 Card type: Continuous Trap Rarity: Secret Rare Activate only during the Main Phase

"Destiny Hero" and "Evil Hero" monsters you control Select and add 1 "Elemental Hero"

Fusion Summon with brand-new “Predaplant" and “Starving Venom” cards prepared to devour your opponent's monsters

Set: Dimension of Chaos Card type: Effect Monster Rarity: Secret Rare Attack: 3000 Defense: 1800 If this card is Normal or Special Summoned: You can target 1 monster on the field

Exchange of the Spirit [RP01-EN099] Secret Rare Secrets of Eternity you can send this cardSet: Retro Pack 1 Card type: Normal Trap Rarity: Secret Rare Activate only by paying 1000 Life Points while there are 15 or more cards in your Graveyard. Both players swap the card(s) in their Graveyard with the card(s) in their Deck. Then, shuffle the card(s) in each new Deck and put it on the Deck Zone.