are altered cards legal mtg Is It Legal to Play with Altered Cards in Tournaments?

With MagicCon: Las Vegas on the horizon, we've already seen a handful of convention-exclusive promos

Which cards would you like to see added to the Pioneer format

POWERFUL RIGHT OUT OF THE BOXTake your Commander game to the next level with a high-powered, ready-to-play deck PLAY WITH COMMANDERS GREATEST HITSTurn heads with a deck stacked with reprints of some of the greatest cards to grace Magics most popular format INTRODUCES 10 COMMANDER CARDSEach Commander deck also introduces 10 never-before-seen Magic: The Gathering cards COLORLESS COMMANDER DECKget the Eldrazi Unbound Commander Deck, a Colorless 100-card deck containing 2 Foil Legendary cards and 98 nonfoil cards, and battle your friends in epic, multiplayer games COLLECT SPECIAL TREATMENT CARDSEach deck comes with a 2-card Collector Booster Sample Pack containing 2 special treatment cards from the Commander Masters set, including 1 Rare or Mythic Rare EVERYTHING YOU NEED TO PLAY AND MOREEach deck also comes with a 2-card Collector Booster Sample Pack, 1 Foil-Etched Display Commander, 10 double-sided tokens, 1 Helper card, 1 life tracker, and 1 deck box

Sealed sets do not include any alternate art or card frames nor special guest cards, Stellar Sights bonus cards, nor cards from the Commander decks