For now, just know each card falls into one of two categories: Cards that stay on the board and one-time effects that go away after use
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Lillie & Clefairy ex / Ribombee
Grade: 3.0 Displacer Beast No one is going to like getting Beast-locked, but it will happen

WHITE | BLUE | BLACK | RED | GREEN MULTICOLORED | ARTIFACT | LAND | ALL CARDS WHITE Elspeth, Sun's Nemesis Daxos, Blessed by the Sun Heliod, Sun-Crowned Elspeth, Undaunted Hero Eidolon of Inspiration Elspeth's Devotee Sunlit Hoplite Grasping Giant Victory's Envoy Archon of Sun's Grace Eidolon of Obstruction Heliod's Intervention Idyllic Tutor Shatter the Sky Taranika, Akroan Veteran Alseid of Life's Bounty BLUE Callaphe, Beloved of the Sea Thassa, Deep-Dwelling Swimmer in Nightmares Sphinx Mindbreaker Serpent of Yawning Depths Ashiok's Erasure Nadir Kraken Protean Thaumaturge Thassa's Intervention Thassa's Oracle Thryx, the Sudden Storm Wavebreak Hippocamp Thirst for Meaning BLACK Erebos, Bleak-Hearted Tymaret, Chosen from Death Mindwrack Harpy Demon of Loathing Underworld Sentinel Aphemia, the Cacophony Eat to Extinction Erebos's Intervention Gravebreaker Lamia Nightmare Shepherd Treacherous Blessing Woe Strider Gray Merchant of Asphodel RED Anax, Hardened in the Forge Purphoros, Bronze-Blooded Deathbellow War Cry Terror of Mount Velus Ox of Agonas Phoenix of Ash Purphoros's Intervention Storm Herald Storm's Wrath Tectonic Giant Underworld Breach Thrill of Possibility GREEN Nylea, Keen-Eyed Renata, Called to the Hunt Ironscale Hydra Treeshaker Chimera Arasta of the Endless Web Dryad of the Ilysian Grove Mantle of the Wolf Nessian Boar Nylea's Intervention Nyxbloom Ancient Setessan Champion Arasta of the Endless Web Wolfwillow Haven MULTICOLORED Ashiok, Nightmare Muse Calix, Destiny's Hand Klothys, God of Destiny Athreos, Shroud-Veiled Ashiok, Sculptor of Fears Ashiok's Forerunner Allure of the Unknown Atris, Oracle of Half-Truths Bronzehide Lion Dalakos, Crafter of Wonders Dream Trawler Enigmatic Incarnation Gallia of the Endless Dance Haktos the Unscarred Kroxa, Titan of Death's Hunger Kunoros, Hound of Athreos Polukranos, Unchained Uro, Titan of Nature's Wrath ARTIFACT Nyx Lotus Shadowspear LAND Plains Island Swamp Mountain Forest Plains Plains Island Island Swamp Swamp Mountain Mountain Forest Forest Labyrinth of Skophos Temple of Abandon Temple of Deceit Temple of Enlightenment Temple of Malice Temple of Plenty WHITE | BLUE | BLACK | RED | GREEN MULTICOLORED | ARTIFACT | LAND | ALL CARDS

#18: Recurring Nightmare Weve already touched on a few Recurring Nightmare decks this month, but the biggest win for the card has got to be Brian Seldens 1998 World Championship list: Creatures (24) 1 Spike Weaver 1 Verdant Force 1 Tradewind Rider 4 Wall of Blossoms 4 Birds of Paradise 1 Man-o'-War 2 Nekrataal 2 Uktabi Orangutan 2 Spike Feeder 2 Wall of Roots 1 Spirit of the Night 1 Orcish Settlers 1 Cloudchaser Eagle 1 Thrull Surgeon Lands (22) Spells (14) Sideboard While Recurring Nightmare is most often thought of as part of Survival of the Fittest strategies, it has also enjoyed a fair bit of success in B/G Rock decks, just using it for value and in combo decks seeking to loop it, with any number of creatures that effectively net you mana each time