Wizards of the Coast Executive Producer Max McCall says thats because they just wouldnt have had room for all of the characters and moments they wanted to include from Spider-Man if they had made a smaller product instead
In general, aim for images that are at least 1000 pixels on the short side, though larger is always better
Ring of Marf can fetch any card that you own from exile or any card from outside the game that is not already included in your deck
It's printed on a thicker cardstock and is not a tournament-legal Magic card, but it still allows you to show off your commander and carry it inside the deck box
These types of cards, often categorized as Aristocrats, take your sacrifices and use them for a variety of effects, including draining life, creating Treasure Tokens, drawing cards, and more
Then the turn after you played it, use that -3 ability and start the card draw