phantom card sleeves Full Rack - ACD Distribution the colored rectangles are not the size of the physical sleeve) Pokemon Center 2014 XY#4 Phantom

This card is drawn so frequently in the anime (and explained just as often) that it's become something of an internet meme

If the revealed land card was a Mountain, this artifact deals double that damage instead

Why its a contender: This is the most efficient card-drawing spell ever printed, providing a massive resource advantage for a single mana

Carracosta's Water/Rock typing provides a distinct niche, making it particularly effective against Fire, Ice, and Flying types, though it must be cautious of Grass and Electric types

A mint-condition and factory sealed set sold for $40,800 at Heritage Auctions in March 2021