These promos are likely far rarer than Gold Rares when you compare estimated booster box production against the 1/48 pull ratio
And instants or sorceries like Blatant Thievery and Expropriate are even easier to copy with the likes of Dualcaster Mage and Ral, Storm Conduit (though I can't promise you'll keep your friends afterwards!)
The stickered permanent could be Big Winner itself or another permanent you control
Then there are the special cards, the variants, alt-arts, secret rares, golds, rainbows, galleries These are the ones the collectors are after
His level up cost is only one which allows you to efficiently use all your mana and means that you can still win games with and 8/8 dragon off two lands if really needed
Mega Symphonia (M1S) dropped in Japan on August 1, 2025, and shook up the collecting scene by introducing the MUR (Mega Ultra Rare) a gold-foiled, original-artwork card sitting above every other rarity in the set