mtg guild cards Magic: The Gathering Guilds of Ravnica Kits | 5 Ready-to-Play 60-Card Decks | Accessories Disney Lorcana Trading Card Game: Azurite Sea Starter Deck (Character):Emerald and Sapphire Whenever a Gate enters Preconstructed Latest MTG spoilers and

mtg guild cards Magic: The Gathering Guilds of Ravnica Kits | 5 Ready-to-Play 60-Card Decks | Accessories Disney Lorcana Trading Card Game: Azurite Sea Starter Deck (Character):Emerald and Sapphire Whenever a Gate enters Preconstructed Latest MTG spoilers and

Latest MTG spoilers and Set releases

As Loxi mentions it's pretty much The Master directly translated into card form, taking your discarded creatures and turning them into homogenous Mutants

Preconstructed

Disney Lorcana Trading Card Game: Azurite Sea Starter Deck (Character):Emerald and Sapphire

Alpine Guide Arid Mesa Bedhead Beastie Bloodstained Mire Bountiful Landscape Cabaretti Courtyard Call the Mountain Chocobo Chartooth Cougar Cragsmasher Yeti Farseek Furnace Host Charger Gem of Becoming Grixis Panorama Hill Gigas Igneous Pouncer Jeskai Monument Jund Panorama Koth, Fire of Resistance Last Light of Durin's Day Maestros Theater Mardu Monument Molten Man, Inferno Incarnate Mongoose Lizard Mountain Valley Naya Panorama Oliphaunt Perilous Landscape Riveteers Overlook Rocky Tar Pit Ruin Grinder Seething Landscape Seismic Monstrosaur Shard Convergence Shattered Landscape Sheltering Landscape Spoils of Victory Temur Monument The Cave of Two Lovers The Infernus There and Back Again Twisted Landscape Untamed Wilds Valley Rannet Wooded Foothills Zog, Triceraton Castaway

Whenever a Gate enters the battlefield under your control