Its basically a weaker Scavenging Ooze and can be used in a lot of the same ways

Abdel Adrian, Gorion's Ward Aboleth Spawn Abuelo, Ancestral Echo Adrix and Nev, Twincasters Aegis Sculptor Alley Assailant Alpharael, Stonechosen Amalia Benavides Aguirre Ambling Stormshell Ancient Adamantoise Ancient Imperiosaur Archive Dragon Archmage of Echoes Armguard Familiar Armored Armadillo Arna Kennerd, Skycaptain Arno Dorian Auntie Ool, Cursewretch Aurelia's Vindicator Aveline de Grandpr Axebane Ferox Basilica Stalker Bayek of Siwa Become Anonymous Benevolent River Spirit Besotted Knight Besotted Knight Better Offer Black Ward Bloomwielder Dryads Blue Marvel, Adam Brashear Blue Ward Bolrac-Clan Basher Boltbender Branch of Vitu-Ghazi Bristlebane Battler Bronze Guardian Brotherhood Regalia Bubble Smuggler Built Bear (playtest) Burly Breaker Cackling Prowler Cactusfolk Sureshot Calim, Djinn Emperor Campus Composer Canopy Gargantuan Captain America, Wings of Freedom Captain Howler, Sea Scourge Catch of the Day (playtest) Cathedral Acolyte Caught Red-Handed Chains of Custody Chapel Shieldgeist Chaplain of Alms Charmed Clothier Chicken Troupe Chizak, Apex Arachnosaur Codsworth, Handy Helper Colorstorm Stallion Colossal Skyturtle Combat Research Concealed Weapon Coppercoat Vanguard Cosmic Cube Crowd-Control Warden Cryptic Coat Crystal Carapace Cultist of the Absolute Culvert Ambusher Dancing Sword Defenestrated Phantom Dire-Strain Demolisher

Assemble the Players lets you look at the top card of your deck at anytime, giving you the opportunity to manipulate and exchange them with the help of other cards like Senseis Diving Top
This has made Witch-King of Angmar an excellent choice for many decks thanks to their The Ring Tempts You ability
He is both expensive and relatively low impact at first glance
Unlike mass creature destruction, from which you could rebuild, or game-ending cards, land destruction largely stretches the game time out a painful amount