pokemon gold ultra ball card First Ever Golden Crown Poké Unveiled The item may be similar but not exactly the same as the image (e.g Pokemon Brilliant Stars Ultra Ball

That said: If you play with the same people over and over and for laughs you want to slot one card to make them second guess playing the same type of deck every time If people often play graveyard reanimator decks, consider Grip of Amnesia

At $19000, this is the last (comparatively) sensibly priced card

If you sacrifice a creature with mana value 5 or greater, the generic portion can be reduced to zero, but you still pay

While these theories all have their merits, Id argue that they are almost impossible to apply to a game of EDH without a degree in statistics

Note that activating Scroll Rack won't provide card advantage (you end up with the same amount of cards in your hand), but it provides excellent card filtering along with any shuffling or scry effect