Give it protection from creatures
Dune Move This is a cheap, two mana card that can quickly deal one toxic to your opponent whilst giving you a land card
(You'll note that you can sacrifice a first turn Prospector for a Warchief on the 2nd turn, which is stupid good

1 Chaos Warp 1 Reverberate 1 Bile Blight 1 Bituminous Blast 1 Brainstorm 1 Dark Ritual Artifact (10) 1 Drach'Nyen 1 Chromatic Lantern 1 Assault Suit 1 Sol Ring 1 Talisman of Creativity 1 Talisman of Dominance 1 Talisman of Indulgence 1 Worn Powerstone 1 Commander's Sphere 1 Wayfarer's Bauble Enchantment (5) 1 The Horus Heresy 1 The Ruinous Powers 1 Nurgle's Rot 1 The Lost and the Damned 1 Warstorm Surge Land (38) 1 Exotic Orchard 1 Foreboding Ruins 1 Sunken Hollow 1 Barren Moor 1 Crumbling Necropolis 1 Molten Slagheap 1 Temple of the False God 1 Command Tower 1 Dismal Backwater 1 Evolving Wilds 1 Forgotten Cave 1 Path of Ancestry 1 Swiftwater Cliffs 1 Terramorphic Expanse 8 Mountain 8 Swamp 8 Island Blue (3) 1 Lord of Change 1 Heralds of Tzeentch 1 Brainstorm Black (14) 1 Blight Grenade 1 Great Unclean One 1 Mandate of Abaddon 1 Mortarion, Daemon Primarch 1 Nurgle's Conscription 1 Plague Drone 1 Poxwalkers 1 Sloppity Bilepiper 1 Tallyman of Nurgle 1 Venomcrawler 1 Nurgle's Rot 1 Decree of Pain 1 Bile Blight 1 Dark Ritual Red (17) 1 Aspiring Champion 1 Bloodthirster 1 Dark Apostle 1 Keeper of Secrets 1 Khrn the Betrayer 1 Knight Rampager 1 Let the Galaxy Burn 1 Bloodcrusher of Khorne 1 Chaos Terminator Lord 1 Herald of Slaanesh 1 Noise Marine 1 Seeker of Slaanesh 1 Past in Flames 1 Blasphemous Act 1 Chaos Warp 1 Reverberate 1 Warstorm Surge Multi colored (18) 1 Be'lakor, the Dark Master 1 Blood for the Blood God

For example, the equipment theme didn't bring back any expensive, high quality equipment, just more of the same Loxodon Warhammer style stuff
Are you a fan of toxic in Phyrexia: All Will be One