It was the card It didn't take long for Richard to explore the idea of a card representing an object that creatures can travel in and/or ride, as Arabian Nights
Sure, in the type of decks that want him, Urza probably will want to let that ultimate rip pretty often if you can, but he provides so much long term value that keeping him at high loyalty and just grinding out card advantage with him seems great in some games
Overall, while it is a niche strategy, it is still solid and takes advantage of the limited number of Trainer cards currently in TCG Pocket
Hand of Vecna's triggered ability uses the number of cards in your hand as it resolves to determine the bonus the creature gets
Now there is a bit too much removal for Fiend to shine and Rats simply isn't enough disruption to merit a 2 mana 1/1
K'rrik, Son of Yawgmoth allows you to pay 2 life for each black mana symbol in a cost