White has two archetypes in which it is a main colour, one of which is control and the other aggro
If nothing else, being able to activate Arthur, Wizard's Apprentice and grab three points of lore on your turn at the cost of another card may just be the thing you need to boost you over the finish line and grab a victory ahead of your opponents
In mono-black, "Whipstitched Agony" and the like are the best partners
This not only guarantees you hit your next few land drops, but also keeps you from falling behind
It seems the stamp from the card behind it did not completely dry causing some of its stamp to smudge on the back of this one
They sell for very little, and you might even consider selling them as scrap cardboard at recycling shops, but they still net a few bucks