Cast spells and draw swords with Legendary Creatures like Gilgamesh, Master-at-Arms and Firion, Swordmaster, or use Summon: Leviathan to control what creatures are on the Battlefield
A card reprinted in multiple sets, or with new art, new card frames, new flavor text all of these are examples of a gameplay design, game balance, or artistic design decision
Cards that were deemed too powerful were instead restricted, meaning you could play a single copy of them in your deck
Eye of Ugin remains arguably the best possible land for an Eldrazi deck its banning in Modern makes its exclusion here completely understandable, but if you want to really take your deck to the next level, consider this absolute powerhouse of a card
have players battling against one another, the family-friendly Lorcana is more of a friendly contest between players