It starts off letting you trade lands for extra cards and bonus land drops, but once you station up to 8, it takes to the skies with flying, vigilance, and hastewhile draining your opponents whenever a land hits the graveyard
Arena Tutor offers a pretty robust metagame tab breaking down the best decks in the format

Advanced Search Sets Random Syntax Activated Sleeper Altered Ego Auton Soldier Back from the Brink Baron Helmut Zemo Battle for Bretagard Bloodthirsty Adversary Body Double Callidus Assassin Chain of Plasma Chandra, Flameshaper Chandra, the Firebrand Clever Impersonator Clone Copycrook Cursed Mirror Dack's Duplicate Duplication Device Emeritus of Conflict Evil Twin Fated Infatuation Feather, Radiant Arbiter Flesh Duplicate Ghired's Belligerence Gigantoplasm Goblin Glasswright Harmonized Trio Heart-Piercer Manticore Impulsive Pilferer Jwari Shapeshifter Kavaero, Mind-Bitten Kharasha Foothills Lazotep Convert Lazotep Quarry Littjara Mirrorlake Machine God's Effigy Mask of the Mimic Mercurial Pretender Mirror Image Mirrorhall Mimic Mockingbird Momir Vig, Simic Visionary Avatar Naga Fleshcrafter Omni-Changeling Phantasmal Image Phyrexian Metamorph Pirated Copy Polymorphous Rush Progenitor Mimic Protean Raider Quicksilver Gargantuan Sakashima the Impostor Sakashima's Protege Sakashima's Student Storm-Kiln Artist Stunt Double Superior Spider-Man Synth Infiltrator Tender Wildguide Twilight Diviner Twinflame Undercover Operative Undying Flames Unstable Shapeshifter Vesuvan Doppelganger Vesuvan Drifter Vizier of Many Faces Wall of Stolen Identity Xavier Sal, Infested Captain Yavimaya Bloomsage

Different spell types include, creatures, instants, enchantments, sorceries and planeswalkers in recent expansions
you can simply target a creature at any time to end the cascade