Abilities that trigger when a creature enters the battlefield see that a 1/1 creature entered the battlefield
Some card designs are open-ended and could have been anything in FINAL FANTASY, while other cards are top-down and designed to be exactly one character, moment, land, or object
Acererak the Archlich Bar the Gate Barrowin of Clan Undurr Clattering Skeletons Cloister Gargoyle Delver's Torch Displacer Beast Dungeon Descent Dungeon Map Eccentric Apprentice Ellywick Tumblestrum Fates' Reversal Fifty Feet of Rope Find the Path Fly Immovable Rod Intrepid Outlander Keen-Eared Sentry Kick in the Door Midnight Pathlighter Nadaar, Selfless Paladin Planar Ally Precipitous Drop Radiant Solar Ranger's Hawk Secret Door Sefris of the Hidden Ways Shortcut Seeker Thorough Investigation Triumphant Adventurer Undercity Varis, Silverymoon Ranger Veteran Dungeoneer Wandering Troubadour You Find a Cursed Idol Yuan-Ti Fang-Blade Yuan-Ti Malison Zalto, Fire Giant Duke Zombie Ogre
Low cost cards can be played quickly in the early stages before the opponent is in a position to defend, whilst high cost cards can be played later in the game to dramatic effect
Obviously, being serialized means there is a finite fixed number of a given card, so it has a limited supply
Secret Lair: League of Legends Arcane November 17th, 2021 1x Path to Exile 1x Rhystic Study as Unstable Harmonics 1x Duress 1x Seize the Day as Round Two 1x Krosan Grip as Denting Blows 1x Counterflux 1x Thran Dynamo as The Hexcore There will be two time-limited drops on sale between November 29-December 23