Commander: Dina, Soul Steeper. Lifegain Aristocrat black green deck

The target of this deck is dealing damage by gaining life. Since Dina, Soul Steeper's triggered ability is to have your opponents lose 1 HP each time you gain one or more life, it is important not to gain much life with one effect, but to have several effects that let you gain 1 or more life. Also, Dina, Soul Steeper has an ability that let you sacrifice creatures, so cards with good death triggers are good to go in this deck.

Damage Output

The main damage source is obvioulsy Dina, Soul Steeper and the deck plays around her triggered ability. Lifegain sources are listed in the Section Life Gain.

Dina, Soul Steeper has the ability to increase her power by sacrificing other creatures, that works with death triggers from creatures in Section Death Triggers

Life Gain

Riveteers Overlook, gain 1 HP.
Blight Mound generates Pest tokens that let you gain 1 HP on death.
Vampiric Rites
Infuse with Vitality, gain 2 HP.
Pest Infestation generates Pest tokens.
Blood Artist, gain 1 HP when a creature dies.
Deathgreeter, gain 1 HP when a creature dies.
Essence Warden, gain 1 HP whene a creature enters the battlefield.
Haywire Mite, gain life when dies.
Kokusho, the Evening Star, gain life when dies.
Sedgemoor Witch generates Pest tokens.
Scavenging Ooze, gain life when activating its ability.
Vraan, Executioner Thane gain life once each turn when a creature you control dies.

Death Triggers

Many death triggers regards gaining life, drawing more cards and returning cards to the battlefield. Other than these, relevant death triggers are listed below.

Blood Artist deals 1 damage when a creature dies.
Kokusho, the Evening Star deals 5 damage to each opponent on death.
Vindictive Lich deal 5 damage to one opponent, have another opponent sacrifice a creature and another one discard two cards.
Vraan, Executioner Thane deals damage once each turn when a creature you control dies.

Drivnod, Carnage Dominus doubles death triggers.

Tokens

Blight Mound generates Pest tokens when non-token creaturez you control die.
Insidious Roots generates tokens when creatures cards leave your graveyard.
Saw in Half generates two copy tokens.
Pest Infestation create Pest tokens depending on mana spent.
Mitotic Slime creates tokens on death that create tokens on death as well for a total of 6 tokens. If Drivnod, Carnage Dominus in on the battlefield, it creates 20 token total.
Pawn of Ulamog generates token when non-token creaturez you control die.
Sedgemoor Witch generates Pest tokens.
Scute Swarm

Sacrifice

Along with Dina, Soul Steeper, other cards with the ability of sacrifice creatures are:

Phyrexian Tower sacrifices a creature for mana.
Grim Backwoods sacrifices a creature to draw a card.
Birthing Pod
Vampiric Rites
Culling the Weak sacrifices a creature for mana.
Saw in Half doesn't sacrifice, but destroys a creature. Anyway it shall be used on your creatures.
Deadly Brew sacrifices a creature to return a permanent.
Diabolic Intent sacrifices a creature to tutor.
Eldritch Evolution sacrifices a creature to tutor
Living Death sacrifices all creatures.
Primal Growth sacrifices a creature for two lands.
Rise of the Witch-king sacrifices a creature to return a permanent.
Victimize sacrifices a cresture to return to creatures.
Carrion Feeder is a sac outlet. Can increase power.
Erebos, Bleak-Hearted
Haywire Mite sacrifice itself for destroying an artifact or enchantment.
Sakura-Tribe Elder sacrifice himself of a land.
Smothering Abomination
Wight of the Reliquary
Yawgmoth, Thran Physician

You can take advantage by sacrificing creatures from the abilities of Prowling Geistcatcher and Smothering Abomination.

Graveyard

Journey to Eternity // Atzal, Cave of Eternity returns a creature when dies and transforms in a land with still the ability to return creatures.
Chthonian Nightmare
Fake Your Own Death returns a creature when dies.
Infuse with Vitality returns a creature when dies.
Malakir Rebirth // Malakir Mire returns a creature when dies.
Bala Ged Recovery // Bala Ged Sanctuary returns a card.
Deadly Brew returns a permanent.
Living Death returns all graveyards.
Rise of the Witch-king returns a permanent.
Victimize returns two creatures.
Bloodghast returns each time you play a land.
Body Launderer returns a creature.
Honest Rutstein returns a creature.
Meren of Clan Nel Toth returns a creature each turn.
Phyrexian Delver
Prowling Geistcatcher returns sacrificed creatures when it leaves the battlefield.
Reassembling Skeleton can be returned.
Junji, the Midnight Sky returns a creature.

Insidious Roots gain advantage from returning cards from your graveyard.

Draw

Grim Backwoods, draw a card on activation, mana expensive.
Skullclamp, draw two cards as a death trigger, it sinergies with Drivnod, Carnage Dominus.
Vampiric Rites
Body Launderer, draw and discard when a non token creature dies.
Grim Haruspex, draw when a non token creature dies.
Erebos, Bleak-Hearted
Midnight Reaper, draw when a non token creature dies.
Morbid Opportunist, draw once each turn if a creature died.
Smothering Abomination, draw whenever you sacrifice a creature.
Vogar, Necropolis Tyrant, draw cards depending on the number of counters on him.
Yawgmoth, Thran Physician is a sac outlet that makes you draw.

Tutor

Birthing Pod
Pattern of Rebirth can look for any creature and put it on the battlefield.
Rushed Rebirth can look for any creature within mana cost constraint and put it on the battlefield.
Diabolic Intent can look for any card.
Eldritch Evolution can look for any creature within mana cost constraint and put it on the battlefield.
Protean Hulk can look for a total 6 cost creatures and put them on the battlefield.

Ramp

Journey to Eternity // Atzal, Cave of Eternity turns into a land.
Insidious Roots lets use token as mana source.
Culling the Weak is a mana burst.
Fake Your Own Death creates a Treasure token.
Cultivate
Farseek
Kodama's Reach
Nature's Lore
Primal Growth looks for lands.
Honest Rutstein reduce creatures cost.
Sakura-Tribe Elder looks for a land.
Wight of the Reliquary

Removal

Bojuka Bog exiles a graveyard, can be useful when playing Living Death
Beast Within destroys a permanent.
Golgari Charm destroys enchantment or artifact.
Mortality Spear destroys permanent. Cost less if you gain life.
Tragic Slip, powerful creature removal.
Damnation, board clear.
Deadly Brew, each opponent sacrifices a creature.
Living Death board clear, it replaces the battlefield with the graveyards.
Pest Infestation, mass enchantment/artifact removal.
Rise of the Witch-king, each opponent sacrifices a creature.
Toxic Deluge, board clear, creatures that reaches 0 thoughtness must be sacrificed.
Erebos, Bleak-Hearted
Haywire Mite destroys artifact or enchantment.
Scavenging Ooze exiles cards from graveyards.
Vindictive Lich makes sacrifice one creature and discard two cards.
Yawgmoth, Thran Physician puts -1/-1 counters.

Protection

Journey to Eternity // Atzal, Cave of Eternity, target creature returns when dies.
Fake Your Own Death, target creature returns when dies.
Golgari Charm, regenerates all your creatures, preventing unwanted death.
Infuse with Vitality, target creature returns when dies.
Malakir Rebirth // Malakir Mire, target creature returns when dies.