My take on Grimgrin, Corpse-Born, featuring quite a few infinite combos and value creatures yet remains largely zombie tribal. It's a comboish beatdown deck which can win either way. Considering cards like coat of arms and door of destiny but can't seem to find space :/
Anyway decklist
1 Grimgrin, Corpse-Born
Creatures:30
1 Gravecrawler
1 Bloodghast
1 Nether Traitor
1 Reassembling Skeleton
1 Adaptive Automaton
1 Cemetery Reaper
1 Death Baron
1 Diregraf Captain
1 Fleshbag Marauder
1 Lich Lord of Unx
1 Lord of the Undead
1 Zombie Master
1 Evil Twin
1 Fatestitcher
1 Graveborn Muse
1 Phyrexian Metamorph
1 Soulless One
1 Undead Alchemist
1 Undead Warchief
1 Vengeful Dead
1 Havengul Lich
1 Consecrated Sphinx
1 Geth, Lord of the Vault
1 Grave Titan
1 Mikaeus, the Unhallowed
1 Triskelion
1 Vela the Night-Clad
1 Wurmcoil Engine
1 Sepulchral Primordial
1 Sheoldred, Whispering One
1 Mana Crypt
1 Mana Vault
1 Sensei's Divining Top
1 Skullclamp
1 Sol Ring
1 Lightning Greaves
1 Nim Deathmantle
1 Ashnod's Altar
1 Phyrexian Altar
1 Venser's Journal
Sorceries:9
1 Demonic Tutor
1 Buried Alive
1 Praetor's Grasp
1 Damnation
1 Rite of Replication
1 Beacon of Unrest
1 Life's Finale
1 Zombie Apocalypse
1 Army of the Damned
Instants:6
1 Mystical Tutor
1 Vampiric Tutor
1 Cyclonic Rift
1 Mana Drain
1 Hinder
1 Spell Crumple
Enchantments:8
1 Animate Dead
1 Necropotence
1 Call to the Kindred
1 Endless Ranks of the Dead
1 Grave Pact
1 Call to the Grave
1 Rooftop Storm
1 Grave Betrayal
1 Liliana of the Dark Realms
Lands:35
1 Academy Ruins
1 Bojuka Bog
1 Cabal Coffers
1 Cavern of Souls
1 Command Tower
1 Drowned Catacomb
1 Homeward Path
4 Island
1 Maze of Ith
1 Minamo, School at Water's Edge
1 Polluted Delta
1 Reliquary Tower
1 Shizo, Death's Storehouse
1 Strip Mine
1 Sunken Ruins
8 Swamp
1 Temple of the False God
1 Tolaria West
1 Underground River
1 Underground Sea
1 Unholy Grotto
1 Urborg, Tomb of Yawgmoth
1 Volrath's Stronghold
1 Wasteland
1 Watery Grave
Suggestions etc welcomed, budget is not really a problem so feel free to suggest anything.
Standard: Mardu Midrange, Jeskai Wins, Naya Walkers, Boss Sligh, Mono Black Aggro
Modern: RUG Scapeshift, Burn, UG Infect
Legacy: Death n Taxes, Burn, Tendrils
EDH: Teysa, Orzhov Scion, Krenko, Mob Boss, Narset, Enlightened Master