When designing your own custom cards, these rules definitely don't have to apply, although they certainly help to make a card "feel" more like an official Yugioh card
Currently, its worth around $30-35, but the price could potentially spike
This design features a white background, reminiscent of ice, with hockey pucks repeating on it
All Hallow's Eve Armageddon Clock Brambleback Brute Burdened Stoneback By Gnome Means Chisei, Heart of Oceans Clockwork Avian Clockwork Beast Delay Divine Intervention Etched Slith Fain, the Broker Ferropede Flitterwing Nuisance Gavel of the Righteous Glen Elendra Guardian Hexavus Hovel Hurler Hungry Hungry Heifer Leatherhead, Swamp Stalker Loch Mare Medicine Runner Mister Hyde, Monster Within Moonlit Lamenter O'aka, Traveling Merchant Power Conduit Rasputin Dreamweaver Sanctuary Warden Scholar of New Horizons Slumbering Walker Soul Diviner Spinal Parasite The Duke, Rebel Sentry Thrull Parasite Xavier Sal, Infested Captain
Going to submit for grading
In display collections, it balances beautifully beside Venusaur and Charizard