According to the official article, their rarity distribution is: 68.3% chance of an uncommon FCA card, 25.7% chance of a rare, and 6% chance of a mythic rare
From there, you can repeatedly jam the stack with reanimation attempts by drawing cards in response to interaction
Over the past few years, decks have become far more reliant on the GY, so floodgates that keep players from utilizing cards in the GY are incredibly powerful, and cards like Abyss Dweller ended up being banned from competitive play because of this
They worked off discarding themselves to gain effect, though while Dark World monsters had to be discarded as cost, Fableds could be discarded for any reason at all
Yu-Gi-Oh!: Rarity Collection 5 - Booster Box 1st Edition Yu-Gi-Oh!: Rarity Collection 5 - Booster Box 1st Edition Konami Please Note: This product is brand new & factory sealed
Charcadet (Promo rarity) is a promo card and cannot be pulled from regular packs