With the double X cost, it is tough to get great value, so here are a few cards that sprang into mind immediately when ranking this card, Steel Overseer, Endless One, and Ugin's Conjurant
It created a 2/2 Zombie whenever a player played a Land while having seven or more Lands with different names
With Herald of Eternal Dawn, you get a very strong card paired with some of the best artwork in the set
1 Lucius the Eternal 1 Magnus the Red 1 Mutalith Vortex Beast 1 Pink Horror 1 The Ruinous Powers 1 Tzaangor Shaman 1 The Lost and the Damned 1 Bituminous Blast 1 Deny Reality Colorless (47) 1 Chromatic Lantern 1 Exotic Orchard 1 Foreboding Ruins 1 Sunken Hollow 1 Assault Suit 1 Sol Ring 1 Talisman of Creativity 1 Talisman of Dominance 1 Talisman of Indulgence 1 Worn Powerstone 1 Barren Moor 1 Crumbling Necropolis 1 Molten Slagheap 1 Temple of the False God 1 Commander's Sphere 1 Wayfarer's Bauble 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 1 (5) 1 Nurgle's Rot 1 Sol Ring 1 Brainstorm 1 Dark Ritual 1 Wayfarer's Bauble 2 (5) 1 Reverberate 1 Bile Blight 1 Talisman of Creativity 1 Talisman of Dominance 1 Talisman of Indulgence 3 (8) 1 Poxwalkers 1 Tallyman of Nurgle 1 Herald of Slaanesh 1 The Lost and the Damned 1 Chaos Warp 1 Chromatic Lantern 1 Worn Powerstone 1 Commander's Sphere 4 (15) 1 Mandate of Abaddon 1 Plague Drone 1 Sloppity Bilepiper 1 Venomcrawler 1 Aspiring Champion 1 Dark Apostle 1 Khrn the Betrayer 1 Exalted Flamer of Tzeentch 1 The Ruinous Powers 1 Tzaangor Shaman 1 Bloodcrusher of Khorne 1 Chaos Terminator Lord 1 Seeker of Slaanesh 1 Past in Flames 1 Assault Suit 5 (15) 1 Blight Grenade 1 Great Unclean One 1 Nurgle's Conscription 1 Knight Rampager 1 Chaos Defiler 1 Chaos Mutation 1 Helbrute 1 Kill
If you do, it enters the battlefield as a copy of one of those cards with a number of additional +1/+1 counters on it equal to the power of the other card. Basically, they can become any creature in any graveyard, and then get some +1/+1 counters on them to boot
Wilhelt, the Rotcleaver stands out as the most consistent choice
