You can't use helper cards to jot down sideboarding notes, recipes, or anything not found on the card
If a Vehicle with a power and toughness sticker becomes crewed, it will use the new base power and toughness while it's a creature
3 Sarkhan, Soul Aflame 225 (Halo Foil) - $26.79 The dragon worshiping Sarkhan may have finally found peace after years of being tormented by a certain evil dragon on Tarkir in The Aftermath
If you like quick games, then Gornog is a great option for you
Both cards actually prevent the opponent from drawing extra cards, though even there Hullbreacher wont allow the opponent to even draw one card on their own turn
During the printing of either side, if the sheet is fed incorrectly (upside-down or offset) one of the sides will not be properly aligned