This card depicts the Warrior Pokmon in its Crowned Sword form, in which it gains the Steel type in addition to its usual Fairy type
Once per turn, during the End Phase: You can attach 1 "Stellarknight" card from your Extra Deck to this card as material
While cards in the Pikachu booster pack do have some powerful attacks and could be used in some interesting decks with the right builds, they dont stack up to the potential damage output of Mewtwo ex or the tankiness of Charizard ex
If you do, it becomes plotted. Plotted cards can be cast on a later turn without paying their mana costs - meaning you can basically double any multicoloured instant or sorcery spells as you choose and when you choose to
Rare Doesnt Mean Valuable Before wrapping everything up, I underline one last thing: just because a card is rare doesnt mean that its automatically valuable
This makes for a fundamentally riskier style of gameplay, as getting a rough starting draw (a gamble alleviated somewhat by the fact that the rules allow a redraw attempt) can make it difficult to get off the ground