Its a land so can replace a basic Island pretty freely
The Monoliths 1 damage is optional, but the card draw and life loss are not meaning you can deal massive damage indirectly

Commander (1) 1 Zhulodok, Void Gorger Creatures (30) 1 Abstruse Archaic 1 Ancient Stone Idol 1 Artisan of Kozilek 1 Bane of Bala Ged 1 Burnished Hart 1 Crashing Drawbridge 1 Duplicant 1 Endbringer 1 Endless One 1 Flayer of Loyalties 1 Geode Golem 1 Hangarback Walker 1 It That Betrays 1 Kozilek, the Great Distortion 1 Matter Reshaper 1 Metalwork Colossus 1 Meteor Golem 1 Myriad Construct 1 Oblivion Sower 1 Omarthis, Ghostfire Initiate 1 Ornithopter of Paradise 1 Palladium Myr 1 Phyrexian Triniform 1 Scaretiller 1 Skittering Cicada 1 Solemn Simulacrum 1 Soul of New Phyrexia 1 Steel Hellkite 1 Stonecoil Serpent 1 Suspicious Bookcase Instants (5) 1 Desecrate Reality 1 Not of This World 1 Spatial Contortion 1 Titan's Presence 1 Warping Wail Sorceries (3) 1 All Is Dust 1 Calamity of the Titans 1 Rise of the Eldrazi Artifacts (21) 1 Darksteel Monolith 1 Dreamstone Hedron 1 Endless Atlas 1 Everflowing Chalice 1 Fireshrieker 1 Forsaken Monument 1 Hedron Archive 1 Investigator's Journal 1 Kaldra Compleat 1 Lightning Greaves 1 Mazemind Tome 1 Mind Stone 1 Mirage Mirror 1 Mystic Forge 1 Perilous Vault 1 Sol Ring 1 Thought Vessel 1 Thran Dynamo 1 Transmogrifying Wand 1 Unstable Obelisk 1 Worn Powerstone Enchantments (1) 1 Ugin's Mastery Planeswalkers (1) 1 Ugin, the Ineffable Lands (24) 1 Arcane Lighthouse 1 Arch of Orazca 1 Blast Zone 1 Bonders' Enclave 1 Eldrazi Temple 1 Forge of Heroes 1 Geier Reach Sanitarium 1 Guildless Commons 1 Mage-Ring Network 1 Mirrorpool 1 Reliquary Tower 1 Rogue's Passage 1 Ruins of Oran-Rief 1 Scavenger Grounds 1 Sea Gate Wreckage 1 Shrine of the Forsaken Gods 1 Temple of the False God 1 Tomb of the Spirit Dragon 1 Tyrite Sanctum 1 Urza's Mine 1 Urza's Power Plant 1 Urza's Tower 1 War Room 1 Wastes

The games are set in an alternate future where nuclear power got out of hand, causing both vast technological advancements but also the near-total destruction of the world
(They can't be blocked, targeted, or dealt damage by Rats.) At the beginning of your end step, target opponent creates a 1/1 black Rat creature token with deathtouch