If you make a sloppy cut that could mark the card (maybe it ends up being too short or too long, which makes it distinguishable when sleeved) or causes confusion about what the card is (perhaps the bottom portion of the card has the name of a different card), then your cards would likely be illegal for tournament playthough the final verdict would come from the Head Judge of the event in which youre competing
Let the Galaxy Burn uses a neat quirk of the rules to make its play, as X spells change their own mana value while on the stack, meaning the effective cascade cost of the card goes up the higher X is
(6/22/2015) The last sentence of Chandra, Fire of Kaladesh's activated ability isn't a separate ability
This is a fine example of such a card and sees an impressive amount of sideboard play in that dual role if nothing else
Monk became its own creature type in Magic: the Gathering with the Kamigawa Block
(Disdainful Stroke, Annul, Candletrap, Devastating Mastery) 3 - Commonly played, staple in a single deck, or frequent play in several decks