Great artwork plus a great card is a classic recipe for success, so chances are this will be a very pricey promo indeed
Deep-Eyes White Dragon appears as part of Kaiba's deck in Dark Side of Dimensions with the ability to special summon itself if things go wrong
The most recent set, Obsidian Flames, for example, leaned so heavily on Charizard, that, despite having some other great cards, it struggled to take off, and Master Sets have been selling for under $500
Once per turn, the user would be able to summon a level 4 or lower monster from the deck to the field , at the cost of not being able to invoke it from the hand
The alternative-art Penny is one such specimen
And the ones in black (and there are less than a dozen) tend to be 6-drops, the adventure side of Topaz Dragon notwithstanding