Meren of Clan Nel Toth (EDH / Commander)

How does it win?

Raw Damage, Removal, Life Drain, Life Gain

Removal: Dictate of Erebos, Grave Pact, Hero's Downfall, Tragic Slip,Krosan Grip, Putrefy, Syphon Mind, Toxic Deluge, Bane of Progress, Butcher of Malakir, Caustic Caterpillar, Merciless Executioner, Plaguecrafter, Reclamation Sage, Sheoldred, Whispering One, Shriekmaw, Vindictive Lich, Deathrite Shaman, Archfiend of Depravity, Mindslicer

Life Drain: Blood Artist, Deathrite Shaman, Gray Merchant of Asphodel, Jarad, Golgari Lich Lord, Kokusho, the Evening Star, Zulaport Cutthroat, Sanguine Bond

Life Gain: Blood Artist, Deathrite Shaman, Disciple of Bolas, Gray Merchant of Asphodel, Kokusho, the Evening Star, Zulaport Cutthroat, High Market

Card Draw: Greater Good, Disciple of Bolas, Grim Haruspex, Solemn Simulacrum, Phyrexian Arena, Skullclamp, Grim Backwoods

Tutor Cards: Birthing Pod, Buried Alive, Demonic Tutor, Diabolic Intent, Fauna Shaman, Fierce Empath, Razaketh, the Foulblooded, Yavimaya Elder, Viridian Emissary

Sac Outlets (Can use more than once): Ashnod's Altar, Birthing Pod, Grim Backwoods, High Market, Phyrexian Tower, Jarad, Golgari Lich Lord, Carrion Feeder

Damage: Carrion Feeder, Craterhoof Behemoth, Grave Titan, Razaketh, the Foulblooded, Sheoldred, Whispering One, Sanguine Bond

Recursion: Pattern of Rebirth, Thrilling Encore, Living Death, Yavimaya Hollow, Reanimate, Eternal Witness, Golgari Findbroker, Mikaeus, the Unhallowed, Sheoldred, Whispering One, Meren of Clan Nel Toth

Ramp: Sol ring, Cultivate, Kodama's Reach, Rampant Growth, Birds of Paradise, Llanowar Elves, Oracle of Mul Daya, Sakura-Tribe Elder, Solemn Simulacrum, Viridian Emissary, Yavimaya Elder

Big Combos:

Kokusho, the Evening Star or Gray Merchant of Asphodel + Sanguine Bond + Mikaeus, the Unhallowed + Sac Outlet + Meren of Clan Nel Toth = 4 triggers

Craterhoof Behemoth + Mikaeus, the Unhallowed + Sac Outlet = 2 ETB Triggers

Fleshbag Marauder or Merciless Executioner + Mikaeus, the Unhallowed + Meren of Clan Nel Toth + Sac Outlet = 4 Sac Triggers or + Grave Pact or Dictate of Erebos and Opponents Sac 8 Creatures 2 for each Death Trigger, but caps at 12 if you have both Grave Pact and Dictate of Erebos

Grave Titan + Sac Outlet + Mikaeus, the Unhallowed + Meren of Clan Nel Toth = 4 Triggers which is 8 tokens every turn

Avenger of Zendikar + Sac Outlet + Mikaeus, the Unhallowed + Meren of Clan Nel Toth = 4 Triggers creating at least 7 Tokens each time totally 28+ per turn excellent chump blockers

Avenger of Zendikar + Ashnod's Altar + Mikaeus, the Unhallowed + Meren of Clan Nel Toth + Torment of Hailfire or Exsanguinate = at least 28 to 56 mana pump on each spell if you sac all the tokens created by Avenger of Zendikar depending on your strat. 42-168+ damage with Torment of Hailfire/28-56+ damage with Exsanguinate

Avenger of Zendikar + Sac Outlet + Mikaeus, the Unhallowed + Meren of Clan Nel Toth = ~28 tokens or so per turn + Craterhoof Behemoth = at least 32 creatures with +32 if not +64 if you bounce Craterhoof Behemoth twice which is ~1,024-2048+ damage.

Everything is always situational and these combos are just outlined to show you the potenial of the deck. You cannot ALWAYS draw into or tutor for all the combo pieces, but these are just some of the many combos within the deck.

Updated: 12/18/19 - Dropped Butcher of Malakir for Avenger of Zendikar. Dropped Reanimate for Torment of Hailfire. Dropped Nim Deathmantle for Exsanguinate.
Dropped Syphon Mind for Skullclamp.

Maybeboard are cards that were cut, but you might like better.