Added to OP As you can probably see from the background in the pics, This guy has a ton of fake boosters
An indestructible black mana rock would already be a very significant card in EDH, but The Soul Stone also has an incredibly good ability
That sounds bad, and for expensive cards it kind of is
The issue is that, while Mario Kart has only a handful of power-ups to worry about, Yu-Gi-Oh
C Common The Dragon Dwelling in the Cave X WIND Level 4 [ DragonNormal ] ATK 1300 DEF 2000 A huge dragon dwelling in a cave
Number 93: Utopia Kaiser X LIGHT Rank 12 [ Warrior / XyzEffect ] ATK 2500 DEF 2000 2+ "Number" Xyz Monsters, with the same Rank, that have material Once per turn: You can Special Summon Rank 9 or lower "Number" monsters with 3000 or less ATK that have different Ranks from each other from your Extra Deck, up to the number of materials with different names attached to this card, but their effects are negated, then detach 1 material from this card