Whenever you cast a spell, you gain 1 life for each spell you've cast this turn.

Pay 50 life: Aetherflux Reservoir deals 50 damage to any target.

Argoth, Sanctum of Nature enters the battlefield tapped unless you control a legendary green creature.

{T}: Add {G}.

{2}{G}{G}, {T}: Create a 2/2 green Bear creature token, then mill three cards. Activate only as a sorcery.

(Melds with Titania, Voice of Gaea.)

Destroy target permanent an opponent controls. Its controller may search their library for a basic land card, put it onto the battlefield, then shuffle.

When Avenger of Zendikar enters the battlefield, create a 0/1 green Plant creature token for each land you control.

Landfall -- Whenever a land enters the battlefield under your control, you may put a +1/+1 counter on each Plant creature you control.

Create X 1/1 green Forest Dryad land creature tokens. (They're affected by summoning sickness.)

Whenever Blood Artist or another creature dies, target player loses 1 life and you gain 1 life.

Bloodghast can't block.

Bloodghast has haste as long as an opponent has 10 or less life.

Landfall -- Whenever a land enters the battlefield under your control, you may return Bloodghast from your graveyard to the battlefield.

Flying

If an opponent would lose life during your turn, they lose twice that much life instead. (Damage causes loss of life.)

Bojuka Bog enters the battlefield tapped.

When Bojuka Bog enters the battlefield, exile target player's graveyard.

{T}: Add {B}.

You may look at the top card of your library any time.

You may play lands and cast spells from the top of your library. If you cast a spell this way, pay life equal to its mana value rather than pay its mana cost.

{T}, Sacrifice ten nonland permanents: Each opponent loses 10 life.

{T}: Add {G}.

Channel -- {1}{G}, Discard Boseiju, Who Endures: Destroy target artifact, enchantment, or nonbasic land an opponent controls. That player may search their library for a land card with a basic land type, put it onto the battlefield, then shuffle. This ability costs {1} less to activate for each legendary creature you control.

When Brokers Hideout enters the battlefield, sacrifice it. When you do, search your library for a basic Forest, Plains, or Island card, put it onto the battlefield tapped, then shuffle and you gain 1 life.

{2}, {T}: Add {B} for each Swamp you control.

When Cabaretti Courtyard enters the battlefield, sacrifice it. When you do, search your library for a basic Mountain, Forest, or Plains card, put it onto the battlefield tapped, then shuffle and you gain 1 life.

Choose one or more --

• Destroy target artifact.

• Destroy target creature.

• Destroy target enchantment.

• Destroy target land.

• Destroy target planeswalker.

{T}: Add one mana of any color in your commander's color identity.

At the beginning of your upkeep, Creeping Bloodsucker deals 1 damage to each opponent. You gain life equal to the damage dealt this way.

As an additional cost to cast this spell, sacrifice an artifact or creature.

Draw two cards and create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

{T}: Exile target land card from a graveyard. Add one mana of any color.

{B}, {T}: Exile target instant or sorcery card from a graveyard. Each opponent loses 2 life.

{G}, {T}: Exile target creature card from a graveyard. You gain 2 life.

Whenever you gain life, each opponent loses 1 life.

{1}, Sacrifice another creature: Dina, Soul Steeper gets +X/+0 until end of turn, where X is the sacrificed creature's power.

(Gain the next level as a sorcery to add its ability.)

Landfall -- Whenever a land enters the battlefield under your control, you gain 1 life.

{2}{G}: Level 2

You may play an additional land on each of your turns.

{4}{G}: Level 3

When this Class becomes level 3, target land you control becomes a creature with haste and "This creature's power and toughness are each equal to the number of lands you control." It's still a land.

Vigilance, reach, trample

Whenever Elder Gargaroth attacks or blocks, choose one --

• Create a 3/3 green Beast creature token.

• You gain 3 life.

• Draw a card.

Whenever you gain life, each opponent loses 1 life.

You gain 2 life. Each creature gets -X/-X until end of turn, where X is the amount of life you gained this turn.

Whenever another creature enters the battlefield, you gain 1 life.

Whenever an opponent loses life, you gain that much life.

Destroy target creature or enchantment an opponent controls. You lose life equal to that permanent's mana value.

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

At the beginning of your upkeep, you gain 1 life.

{3}, Sacrifice Fountain of Renewal: Draw a card.

Golgari Rot Farm enters the battlefield tapped.

When Golgari Rot Farm enters the battlefield, return a land you control to its owner's hand.

{T}: Add {B}{G}.

Demonstrate (When you cast this spell, you may copy it. If you do, choose an opponent to also copy it. Players may choose new targets for their copies.)

Return target card from your graveyard to your hand. You gain life equal to that card's mana value. Exile Healing Technique.

Permanents you control gain hexproof and indestructible until end of turn.

{T}: Add {C}.

{T}, Sacrifice a creature: You gain 1 life.

Defender

Landfall -- Whenever a land enters the battlefield under your control, you gain 1 life.

Jungle Hollow enters the battlefield tapped.

When Jungle Hollow enters the battlefield, you gain 1 life.

{T}: Add {B} or {G}.

Landfall -- Whenever a land enters the battlefield under your control, you gain 1 life.

If Leyline of Vitality is in your opening hand, you may begin the game with it on the battlefield.

Creatures you control get +0/+1.

Whenever a creature enters the battlefield under your control, you may gain 1 life.

Whenever a land enters the battlefield, you may gain 1 life.

{T}: Add {C}.

{T}: Add {B} or {G}. Llanowar Wastes deals 1 damage to you.

When Maestros Theater enters the battlefield, sacrifice it. When you do, search your library for a basic Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle and you gain 1 life.

Whenever you gain life, each opponent loses 1 life.

This spell costs {2} less to cast if you gained life this turn.

Destroy target nonland permanent.

Search your library for a Forest card, put that card onto the battlefield, then shuffle.

You draw two cards and you lose 2 life.

When Nissa, Vastwood Seer enters the battlefield, you may search your library for a basic Forest card, reveal it, put it into your hand, then shuffle.

Whenever a land enters the battlefield under your control, if you control seven or more lands, exile Nissa, then return her to the battlefield transformed under her owner's control.

+1: Reveal the top card of your library. If it's a land card, put it onto the battlefield. Otherwise, put it into your hand.

-2: Create Ashaya, the Awoken World, a legendary 4/4 green Elemental creature token.

-7: Untap up to six target lands. They become 6/6 Elemental creatures. They're still lands.

Menace

When Noxious Gearhulk enters the battlefield, you may destroy another target creature. If a creature is destroyed this way, you gain life equal to its toughness.

When Obscura Storefront enters the battlefield, sacrifice it. When you do, search your library for a basic Plains, Island, or Swamp card, put it onto the battlefield tapped, then shuffle and you gain 1 life.

({T}: Add {B} or {G}.)

As Overgrown Tomb enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

As Paradise Plume enters the battlefield, choose a color.

Whenever a player casts a spell of the chosen color, you may gain 1 life.

{T}: Add one mana of the chosen color.

Destroy up to X target artifacts and/or enchantments. Create twice X 1/1 black and green Pest creature tokens with "When this creature dies, you gain 1 life."

At the beginning of your upkeep, you draw a card and you lose 1 life.

Whenever a land enters the battlefield under an opponent's control, that player loses 2 life and you gain 2 life.

Whenever an artifact an opponent controls becomes tapped or an opponent activates an artifact's ability without {T} in its activation cost, you gain 1 life.

As Prism Ring enters the battlefield, choose a color.

Whenever you cast a spell of the chosen color, you gain 1 life.

{T}: Add {C}. You gain 1 life.

When Prosperous Innkeeper enters the battlefield, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Whenever another creature enters the battlefield under your control, you gain 1 life.

When Radiant Fountain enters the battlefield, you gain 2 life.

{T}: Add {C}.

Scry 2, then draw two cards. You lose 2 life.

Landfall -- Whenever a land enters the battlefield under your control, choose one --

• Target creature gets +1/+0 and gains deathtouch until end of turn.

• Each opponent loses 1 life and you gain 1 life.

When Riveteers Overlook enters the battlefield, sacrifice it. When you do, search your library for a basic Swamp, Mountain, or Forest card, put it onto the battlefield tapped, then shuffle and you gain 1 life.

Sacrifice Sakura-Tribe Elder: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

At the beginning of your precombat main phase, each opponent loses X life and you gain X life, where X is the number of Shrines you control.

Whenever you gain life, target opponent loses that much life.

({T}: Add {G}.)

Sapseep Forest enters the battlefield tapped.

{G}, {T}: You gain 1 life. Activate only if you control two or more green permanents.

{G}: Exile target card from a graveyard. If it was a creature card, put a +1/+1 counter on Scavenging Ooze and you gain 1 life.

Landfall -- Whenever a land enters the battlefield under your control, create a 1/1 green Insect creature token. If you control six or more lands, create a token that's a copy of Scute Swarm instead.

Deathtouch

Whenever you draw a card, you gain 2 life.

Whenever an opponent draws a card, they lose 2 life.

At the beginning of your end step, if you gained 3 or more life this turn, return Silversmote Ghoul from your graveyard to the battlefield tapped.

{1}{B}, Sacrifice Silversmote Ghoul: Draw a card.

Alliance -- Whenever another creature enters the battlefield under your control, you gain 1 life.

{T}: Add {C}{C}.

Protection from multicolored (This creature can't be blocked, targeted, dealt damage, enchanted, or equipped by anything multicolored.)

Whenever a nonbasic land enters the battlefield under an opponent's control, you gain 1 life.

When Springbloom Druid enters the battlefield, you may sacrifice a land. If you do, search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

As Tablet of the Guilds enters the battlefield, choose two colors.

Whenever you cast a spell, if it's at least one of the chosen colors, you gain 1 life for each of the chosen colors it is.

{T}: Add {C}.

{T}: Add {B} or {G}. Activate only if you control a Swamp.

Target permanent you control gains hexproof and indestructible until end of turn. You gain 2 life. (A permanent with hexproof and indestructible can't be the target of spells or abilities your opponents control. Damage and effects that say "destroy" don't destroy it.)

Whenever you gain life, you may pay {2}. If you do, create a 4/4 green Fungus Beast creature token with trample.

Each land is a Swamp in addition to its other land types.

{T}, Pay 1 life, Sacrifice Verdant Catacombs: Search your library for a Swamp or Forest card, put it onto the battlefield, then shuffle.

Whenever you gain life, target opponent loses that much life.

{3}{B}{B}: Creatures you control gain lifelink until end of turn.

Woodland Cemetery enters the battlefield tapped unless you control a Swamp or a Forest.

{T}: Add {B} or {G}.

Each land is a Forest in addition to its other land types.

Protection from Humans

Pay 1 life, Sacrifice another creature: Put a -1/-1 counter on up to one target creature and draw a card.

{B}{B}, Discard a card: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Whenever Zulaport Cutthroat or another creature you control dies, each opponent loses 1 life and you gain 1 life.