mtg signed art cards phyrexia all will be one Blue Sun's Twilight Card} (Signed) | Art Series: Phyrexia: - Variants The Invasion Tree broke through the Blind Eternities and sent Phyrexian perfection coursing across the Multiverse. ALL WILL BE ONE (SIGNED)

And if that effect is underwhelming in a given situation, stunning your own thing is pretty intriguing

You can find out which set any card belongs to with the set symbol on the (often) right side of the card

Mordenkainen Mordenkainens tokens get a lot better if you can keep making them after you ultimate or if you have similar effects elsewhere

For decks that include more than three colors, the low land count means more lands have to be dedicated to ensuring you have the colors you need when you need them so playing even one surveil land starts to become dubious, especially if theres not a clear dual land that is primarily fetched for

From out of nowhere, a single card changes the rules of the game such that doing something improbable means you win