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. This can kill opponents by commander's damage. For this purpose, there is the Section Big Creature.

Kokusho, the Evening Star deals 5 damage to each opponent on death. Also, let you gain life for 6 HP total with your commander on the battlefield.
Vindictive Lich deal 5 damage to one opponent.
Drivnod, Carnage Dominus doubles death triggers of Kokusho, the Evening Star and Vindictive Lich as well as those of the other creatures increasing the instances of lifegain, card draw, token generation and other effects.

Big creatures can support the deck damage output.

Life Gain

Riveteers Overlook, gain 1 HP.
Zuran Orb gain 2 HP when sacrifice a land.
Blight Mound generates Pest tokens that let you gain 1 HP on death.
Lifegift, gain 1 HP each time a land enters in the battlefield.
Infuse with Vitality, gain 2 HP.
Tend the Pests generates Pest tokens.
Pest Infestation generates Pest tokens.
Blood Artist, gain 1 HP and deal 1 damage whe a creature dies.
Courser of Kruphix, gain 1 HP when a land enters in the battlefield under your control.
Deathgreeter, gain 1 HP when a creature dies.
Disciple of Bolas, gain life entering the battlefield
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.
Savra, Queen of the Golgari, gain life when you sacrifice a green creature.
Scavenging Ooze, gain life when activating its ability.

Effect of Blight Mound, Blood Artist, Deathgreeter, Haywire Mite, Kokusho, the Evening Star and Pest tokens are doubled by Drivnod, Carnage Dominus.

Big Creatures

Creatures in this list can deal high damage to opponents during combat phase. Moreover, they can be sacrificed for high value, depending on their power, with cards like Tend the Pests, Disciple of Bolas and The Gitrog, Ravenous Ride.

Wall of Blood can increase its power as you pay life. You can kill an opponent with commander's damage by paying 20 HP and sacrifing it to Dina, Soul Steeper activated ability. Other ridiculous effects can be done by targeting Wall of Blood with spells whose value depends on the creature's power, life creating 20 Pest tokens or drawing 20 cards.
Daemogoth Titan has 11 power with a sacrifice ability.
Drivnod, Carnage Dominus has 8 power
The Gitrog, Ravenous Ride has 6 power and wants to attack each turn if possible
Vogar, Necropolis Tyrant can increase its power when creatures die on your turn. Effect doubled by Drivnod, Carnage Dominus.
Body Launderer can increase its power when a non-token creatures dies. Effect doubled by Drivnod, Carnage Dominus.
Carrion Feeder can increase its power by sacrificing creatures.
Scavenging Ooze can increase its power by activating its ability.
Prowling Geistcatcher can increase its power whenever you sacrifice a token creature.
Insidious Roots generates Plant tokens that increase their power when one or more creatures leave your graveyard. Cards with ability to play with graveyard are listed in Section Graveyard.

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.
Tend the Pests generates Pest tokens depending of sacrificed creature power.
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.
Life // Death can't convert your lands in non-token creatures, so they don't work with Insidious Roots, but they do with Blight Mound, Body Launderer, Grim Haruspex, Midnight Reaper and Pawn of Ulamog and can be returned by Prowling Geistcatcher if sacrificed.

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.
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.
Tend the Pests sacrifice a creature for tokens generation, better to use on big 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.
Daemogoth Titan sacrifices a creatures if attack or blocks.
Disciple of Bolas sacrifices a creature to draw and gain life, better to use on big creatures.
Haywire Mite sacrifice itself for destroying an artifact or enchantment.
Sakura-Tribe Elder sacrifice himself of a land.
Smothering Abomination
The Gitrog, Ravenous Ride
Yawgmoth, Thran Physician

You can take advantage by sacrificing creatures from the abilities of Prowling Geistcatcher, Savra, Queen of the Golgari 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.
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.
Life // Death returns a creature.
Living Death returns all graveyards.
Rise of the Witch-king returns a permanent.
Victimize returns two creatures.
Body Launderer returns a creature.
Honest Rutstein returns a creature.
Meren of Clan Nel Toth returns a creature each turn.
Prowling Geistcatcher returns sacrificed creatures when it leaves the battlefield.
Reassembling Skeleton can be returned.
Witch of the Moors return a creature each turn.
World Shaper returns all lands.
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.
Body Launderer, draw and discard when a non token creature dies.
Courser of Kruphix, can play lands from top of the deck.
Disciple of Bolas, draw cards depending on the targeted creature's power.
Grim Haruspex, draw when a non token creature dies.
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.
The Gitrog, Ravenous Ride, draw cards depending on the sacrificed creature's power.
Vogar, Necropolis Tyrant, draw cards depending on the number of counters on him.
Yawgmoth, Thran Physician is a sac outlet that makes you draw.
World Shaper mills cards, this can help sending to the graveyards permanents that can be returned.

Tutor

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 turna into a land.
Insidious Roots lets use token as mana source.
Culling the Weak is a mana burst.
Entish Restoration looks for lands, more effective if you control a big creature.
Fake Your Own Death creates a Treasure token.
Flare of Cultivation looks for lands.
Primal Growth looks for lands.
Honest Rutstein reduce creatures cost.
Sakura-Tribe Elder looks for a land.
The Gitrog, Ravenous Ride lets you put lands in play from hand.
World Shaper lets you put lands in play from graveyard.

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.
Haywire Mite destroys artifact or enchantment.
Savra, Queen of the Golgari, each opponent sacrifices a creature when you sacrifice a black creature.
Scavenging Ooze exiles cards from graveyards.
Vindictive Lich makes sacrifice one creature and discard two cards.
Witch of the Moors each opponent sacrifice a creature each turn provided that you gain life.
Yawgmoth, Thran Physician puts -1/-1 counters.

Protection

Plaza of Heroes protecta legendary creature.
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.