You can rely on that distinction when youre deciding how to test or sleeve up a high-dollar deck WotC gives store owners and players room to use proxies for casual or playtesting purposes, but they draw the line at sanctioned, prize-bearing competition
You can also grab single Chaos Rising booster packs for $12.99 at Amazon
It also packs a nasty Fighting weakness
Each deck set includes 1 ready-to-play deck of 100 Magic cards (2 Traditional Foil Legendary cards, 98 nonfoil cards), a Collector Booster Sample Pack (contains 2 Traditional Foil or nonfoil special treatment cards, with 1 Extended-Art card of rarity Rare or higher and 1 alt-art, alt-frame card of rarity Uncommon or higher), 1 foil-etched Display Commander (a thick cardstock copy of the commander card with foil etched into the cards border and art), 10 double-sided tokens, 1 deck box (can hold 100 sleeved cards), 1 Life Wheel, 1 strategy insert, and 1 reference card
The specs themselves are by no means a low card, but a psycho witch that can recruit psychics with ATK of 2000 or less is convenient