Much like Japanese cards, the bottom left corners of the cards dont use the English circle & star system for rarity, instead opting for letters, ie
Most grading companies will provide a submission form
While Im playing many more creatures than instants and sorceries, I still like Velomachus Lorehold for the occasional free spell
Thats already valuable, but Horizon Explorer can also pump out multiple Lander tokens each turn if youre able to attack multiple opponents
Manufacturer: Wizards of the Coast Fight Dragons with Dragons Tarkir faces a full-scale draconic assault, pitting clan against clan and all of civilization against a maelstrom of wings, claws, and fire
Obviously this again depends on the use case of your cube but i would make the argument that for a 100% drafted cube having 3-5% powerful sideboard specific cards would improve the overall play and drafting experience vs 0%