This means if you control both Behind the Scenes and a creature that already has skulk, it doesnt add any extra effects or benefits to that creature
You can find these cards online or in local game shops
An example, from Alpha , would be this card: Lord of the Pit was quite popular when the game first came out
- This deck showcases the Straw Hat Crew and their two years of individual training following the Summit War
In the physical card game, having extra commons is handy because players can build more than one deck at a time without having to switch cards out
You can see an overview here: 90% (4th card), 60% (5th card) 5% (4th card), 20% (5th card) 1.666% (4th card), 6.664% (5th card) 2.572% (4th card), 10.288% (5th card) 0.5% (4th card), 2% (5th card) 0.222% (4th card), 0.888% (5th card) 0.04% (4th card), 0.16% (5th card) So, if you open 1,000 boosters, there should be one to two cards of the crown rarity