There aren't any major rules that are unique to Artifacts, but many cards care about the number of Artifacts you control, or can only target Artifact permanents
Its also a card that was cheap enough that anyone who really, really wanted one to play with previously had already picked up a copy
The price comparator of blueumbreon.com finds the best deals to buy Pokmon card Lycanroc GX 155/147 on eBay at best price
Recurring the best spell youve played in a given game with zero restrictions makes it powerful, but costing 3 is just enough that you need to sequence things properly
C Common Backup Squad X SPELL Continuous Each time you take 1000 or more damage by your opponent's card effect or their monster's attack: Draw 1 card for every 1000 damage you took
And, while plenty of One Piece cards are easy to find and inexpensive (like One Piece Wings of the Captain Cards), a select few are super rareand expensive