Acidic Soil deals damage to each player equal to the number of lands they control.

Prevent all noncombat damage that would be dealt to you and creatures you control.

Whenever a nontoken creature enters the battlefield under your control, create a 2/2 white Unicorn creature token.

Bojuka Bog enters the battlefield tapped.

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

{T}: Add {B}.

{B}, Sacrifice a Cleric: Target player loses 2 life and you gain 2 life.

Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.)

Return target creature card from your graveyard to your hand.

Emeria, the Sky Ruin enters the battlefield tapped.

At the beginning of your upkeep, if you control seven or more Plains, you may return target creature card from your graveyard to the battlefield.

{T}: Add {W}.

Fault Line deals X damage to each creature without flying and each player.

When a spell you control deals damage, transform Flame Channeler.

Whenever a spell you control deals damage, put a flame counter on Embodiment of Flame.

{1}, Remove a flame counter from Embodiment of Flame: Exile the top card of your library. You may play that card this turn.

Noncreature spells with mana value 4 or greater can't be cast.

Noncreature spells with {X} in their mana costs can't be cast.

{T}: Another target creature you control gains protection from colorless or from the color of your choice until end of turn.

During your turn, your opponents can't cast spells or activate abilities of artifacts, creatures, or enchantments.

Each opponent loses 1 life for each creature you control.

Whenever a player casts a noncreature spell, each of that player's opponents may draw a card.

Whenever High Priest of Penance is dealt damage, you may destroy target nonland permanent.

Black spells you cast cost {1} less to cast.

+1: Put a ghostform counter on up to one target nontoken creature. It gains "When this creature dies or is put into exile, return it to its owner's hand and create a 1/1 white Spirit creature token with flying."

-3: Exile target nonland permanent.

-7: You get an emblem with "At the beginning of your upkeep, you may cast a legendary spell from your hand, from your graveyard, or from among cards you own in exile without paying its mana cost."

Flying, haste

Whenever Klauth, Unrivaled Ancient attacks, add X mana in any combination of colors, where X is the total power of attacking creatures. Spend this mana only to cast spells. Until end of turn, you don't lose this mana as steps and phases end.

Prevent all damage that would be dealt to creatures you control by sources you control.

Prevent all noncombat damage that would be dealt to creatures you control.

{T}: Add {C}.

{1}, {T}, Sacrifice Mind Stone: Draw a card.

Kicker {R} (You may pay an additional {R} as you cast this spell.)

If this spell was kicked, it has split second. (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)

Molten Disaster deals X damage to each creature without flying and each player.

Whenever another creature enters the battlefield under your control, that creature gets +2/+0 and gains haste until end of turn. (It can attack and {T} this turn.)

Flying

Whenever a creature you control deals combat damage to a player, create that many Treasure tokens.

Enrage -- Whenever Overgrown Armasaur is dealt damage, create a 1/1 green Saproling creature token.

{T}: Add {C}.

{T}, Sacrifice Quicksand: Target attacking creature without flying gets -1/-2 until end of turn.

Flying

Other creatures you control get +1/+1.

At the beginning of your upkeep, you may return target creature card from your graveyard to your hand.

Partner (You can have two commanders if both have partner.)

Rockfall Vale enters the battlefield tapped unless you control two or more other lands.

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

Rolling Earthquake deals X damage to each creature without horsemanship and each player.

When Sin Collector enters the battlefield, target opponent reveals their hand. You choose an instant or sorcery card from it and exile that card.

If you control a Swamp, you may pay 4 life rather than pay this spell's mana cost.

Destroy target nonblack creature. It can't be regenerated.

{T}: Add three mana of any one color. Spend this mana only to cast creature spells.

{T}: Add three mana of any one color. Spend this mana only to cast creature spells.

{T}: Add {C}.

{W}, {T}, Sacrifice a Cleric creature: You gain life equal to the sacrificed creature's toughness.

{B}, {T}, Sacrifice a Cleric creature: Target player loses life equal to the sacrificed creature's power.

+1: Tap target permanent. It doesn't untap during its controller's next untap step.

-2: Draw a card for each tapped creature target player controls.

-8: You get an emblem with "You have no maximum hand size" and "Whenever a card is put into your graveyard from anywhere, you may return it to your hand."

At the beginning of your upkeep, put a spore counter on Thallid Devourer.

Remove three spore counters from Thallid Devourer: Create a 1/1 green Saproling creature token.

Sacrifice a Saproling: Thallid Devourer gets +1/+2 until end of turn.

Lifelink

At the beginning of your postcombat main phase, you may pay X life, where X is the number of opponents that were dealt combat damage this turn. If you do, draw X cards.

Partner (You can have two commanders if both have partner.)

Undergrowth Stadium enters the battlefield tapped unless you have two or more opponents.

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

+2: Create a 2/2 black Pirate creature token with menace.

-3: Destroy target artifact, creature, or enchantment. Create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

-10: Target player's life total becomes 1.

{T}: Add {C}.

{2}, {T}: Target commander gains lifelink until end of turn.

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

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

Xantcha, Sleeper Agent enters the battlefield under the control of an opponent of your choice.

Xantcha attacks each combat if able and can't attack its owner or planeswalkers its owner controls.

{3}: Xantcha's controller loses 2 life and you draw a card. Any player may activate this ability.

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.)

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

Zagoth Triome enters the battlefield tapped.

Cycling {3} ({3}, Discard this card: Draw a card.)