A clean wooden or white surface is ideal for laying a card or several cards
However, much like so recent actions by WotC, in the early 90's they decided to be moral judges, and not only ban future depictions of demons and satanic elements in the game, they edited two pieces of card art
An entire expansion devoted to them came out called Antiquities , telling the story of a war between brothers Urza and Mishra
Zahur, Glorys Past Zahur, Glory's Past looks like one of the most promising commanders with the complex max speed mechanic
As for the card spoilers we actually saw, Vraska, Betrayal's Sting can proliferate, turn a creature into a harmless (but still handy) treasure token, and with her ultimate, give a player up to nine poison counters, leaving them close to death
With the right support, however, it turns out she can get some serious work done