You may have any number of Arceus cards in your deck
Arceus
80 HP
Rippling Wave
If you have 6 Arceus in play, and they are all of different types, you may search your deck for 6 Energy cards, and attach 1 to each Arceus you have in play.
Sky Spear
This attack does 80 damage to 1 of your opponent's Pokémon. (Don't apply Weakness and Resistance for Benched Pokémon). Place all Energy attached to Arceus in the Lost Zone.