Here is how the archetypes looked coming out of development: Theros: Red-White "Go wide" Bant: Green-White Renown mechanic with pump spells Vryn: White-Blue Control with flyers (and spell mastery) Ravnica: Green-Blue Tempo Dominaria: White-Black Auras Innistrad: Blue-Black Graveyard Kaladesh: Blue-Red Tempo aggro/Artifacts Regatha: Black-Red Sacrifice Zendikar: Red-Green Midrange beatdown/creature ramp Lorwyn: Black-Green Midrange attrition/Elves Once the archetypes were chosen it was still early in the process
Penny sleeves - These are ultra cheap sleeves, only meant to be used for card storage
Cosmetic codes redeem either a single sleeve, or a bundle of several sleeves
Magics structure is especially useful for worldbuilders because it turns abstract themes into names: order, curiosity, ambition, passion, instinct, decay, growth, memory, prophecy, and catastrophe all become playable concepts
Virtue and Valor and Fae Dominion
If you discard a Vampire card with madness and cast it, itll enter the battlefield before Stromkirk Condemneds ability resolves