It's perfect for gringy Golgari, and Jund builds and sacrifice decks that can get additional value from sacring the Dreadknight

Hans, Run!" Abian, Luvion Usurper (playtest) Abomination, Terrifying Titan Absorbing Man and Titania Agatha of the Vile Cauldron Alien Invasion Amarant Coral Anzrag, the Quake-Mole Apocalypse Hydra Arbalest Engineers Arlinn Kord Arlinn, Embraced by the Moon Arlinn, the Moon's Fury Arlinn, the Pack's Hope Arni Slays the Troll Artifact Mutation Ashroot Animist Atalan Jackal Atarka's Command Atarka, World Render Balthier and Fran Bard Class Barret, Avalanche Leader Beastie Beatdown Bello, Bard of the Brambles Bigger on the Inside Biotech Specialist Bitter Work Black Market Tycoon Blaster, Combat DJ Blaster, Morale Booster Blitz Hellion Bloodbraid Challenger Bloodbraid Elf Boartusk Liege Boggart Ram-Gang Bolrac-Clan Crusher Boom Scholar Borborygmos Borborygmos Enraged Borys, the Spider Rider Branching Bolt Break Out Brushfire Elemental Bumi, Unleashed Burning-Tree Bloodscale Burning-Tree Emissary Burning-Tree Shaman Cabaretti Revels Cactusfolk Sureshot Cait, Cage Brawler Centaur Archer Charging War Boar Cheering Crowd Child of the Pack Chishiro, the Shattered Blade Cinderslash Ravager Cindervines Clan Defiance Clan Guildmage Collision // Colossus Collision // Colossus Colossal Might Cramped Bunker Creeping Trailblazer Crystal, Inhuman Princess Daryl, Hunter of Walkers Deadshot Minotaur Deathleaper, Terror Weapon Decimate Destructive Revelry Deus of Calamity

They've even got a complete set of Lord of the Rings including every serialized card (except the 1:1 The One Ring) for only a cool $1,000,000
Magical Christmas Land
Fortunately, you can prevent Planeswalkers from entering the battlefield with counterspells