keyforge rare cards is a new, procedurally generated card game KeyForge: Call of The Archons

And in a format where instant removal is at its worst, you have the power to simply end games on the spot with the four mana combo of Blitzball Shot into post-combat Self-Destruct

Reportedly, only two copies exist worldwide: one with a Magic: The Gathering back and one with a completely blank white back

What makes them different than, say, a shield counter

With active systemic games, sleeves for cards last about 2-3 years

#17 1990 Fleer #66 Chris Mullin PSA 10 Grade Rate 56.2% (Set Avg: 24.0%) #18 1990 Fleer #101 Glen Rice Rookie Card Rookie Card PSA 10 Grade Rate 31.4% (Set Avg: 24.0%) #19 1990 Fleer #154 Clyde Drexler PSA 10 Grade Rate 52.7% (Set Avg: 24.0%) #20 1990 Fleer #188 Karl Malone PSA 10 Grade Rate 36.0% (Set Avg: 24.0%) Like Barkley, Malone was a guy who was clearly good enough to be an NBA champion but sadly never won one