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

When Act of Authority enters the battlefield, you may exile target artifact or enchantment.

At the beginning of your upkeep, you may exile target artifact or enchantment. If you do, its controller gains control of Act of Authority.

When Aether Channeler enters the battlefield, choose one --

• Create a 1/1 white Bird creature token with flying.

• Return another target nonland permanent to its owner's hand.

• Draw a card.

When Ardent Elementalist enters the battlefield, return target instant or sorcery card from your graveyard to your hand.

This spell costs {1} less to cast for each creature on the battlefield.

Blasphemous Act deals 13 damage to each creature.

Bojuka Bog enters the battlefield tapped.

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

{T}: Add {B}.

Flying

Whenever Brago, King Eternal deals combat damage to a player, exile any number of target nonland permanents you control, then return those cards to the battlefield under their owner's control.

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

Commander creatures you own have "When this creature enters or leaves the battlefield, draw a card."

When Charming Prince enters the battlefield, choose one --

• Scry 2.

• You gain 3 life.

• Exile another target creature you own. Return it to the battlefield under your control at the beginning of the next end step.

Flying

When Cloudblazer enters the battlefield, you gain 2 life and draw two cards.

Deserted Beach enters the battlefield tapped unless you control two or more other lands.

{T}: Add {W} or {U}.

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.

Exile any number of target creatures you control. Return those cards to the battlefield under their owner's control at the beginning of the next end step.

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}.

Indestructible

As long as your devotion to white and blue is less than seven, Ephara isn't a creature.

At the beginning of each upkeep, if you had another creature enter the battlefield under your control last turn, draw a card.

Exile target creature you control, then return that card to the battlefield under its owner's control. If it's a Spirit, put a +1/+1 counter on it.

{T}, Sacrifice Fabled Passage: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Then if you control four or more lands, untap that land.

Choose one or more --

• Exile all artifacts.

• Exile all creatures.

• Exile all enchantments.

• Exile all graveyards.

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

Flying

Whenever you cast an instant or sorcery spell that targets a creature you control, exile that card instead of putting it into your graveyard as it resolves. If you do, return it to your hand at the beginning of the next end step.

When Felidar Guardian enters the battlefield, you may exile another target permanent you control, then return that card to the battlefield under its owner's control.

{T}: Add one mana of any color that a land an opponent controls could produce.

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.

Glacial Fortress enters the battlefield tapped unless you control a Plains or an Island.

{T}: Add {W} or {U}.

Flying

{U}, Sacrifice Glen Elendra Archmage: Counter target noncreature spell.

Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

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.

Vigilance

When Loran of the Third Path enters the battlefield, destroy up to one target artifact or enchantment.

{T}: You and target opponent each draw a card.

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

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.

Flying

When Mulldrifter enters the battlefield, draw two cards.

Evoke {2}{U} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)

({T}: Add {U}.)

Mystic Sanctuary enters the battlefield tapped unless you control three or more other Islands.

When Mystic Sanctuary enters the battlefield untapped, you may put target instant or sorcery card from your graveyard on top of your library.

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.

If an artifact or creature entering the battlefield causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.

Flying

When Peregrine Drake enters the battlefield, untap up to five lands.

{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.)

When Reflector Mage enters the battlefield, return target creature an opponent controls to its owner's hand. That creature's owner can't cast spells with the same name as that creature until your next turn.

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.

Sea of Clouds enters the battlefield tapped unless you have two or more opponents.

{T}: Add {W} or {U}.

Whenever an opponent draws a card, that player may pay {2}. If the player doesn't, you create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

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.

Whenever a creature is exiled from the battlefield, put a +1/+1 counter on Soulherder.

At the beginning of your end step, you may exile another target creature you control, then return that card to the battlefield under its owner's control.

Spectator Seating enters the battlefield tapped unless you have two or more opponents.

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

{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.

When Stonehorn Dignitary enters the battlefield, target opponent skips their next combat phase.

Stormcarved Coast enters the battlefield tapped unless you control two or more other lands.

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

Vigilance

Whenever Sun Titan enters the battlefield or attacks, you may return target permanent card with mana value 3 or less from your graveyard to the battlefield.

Equipped creature gets +2/+2 and has protection from green and from white.

Whenever equipped creature deals combat damage to a player, exile up to one target creature you own, then search your library for a basic land card. Put both cards onto the battlefield under your control, then shuffle.

Equip {2}

{T}: Add {C}.

{T}: Add {R} or {W}. Talisman of Conviction deals 1 damage to you.

{T}: Add {C}.

{T}: Add {U} or {R}. Talisman of Creativity deals 1 damage to you.

{T}: Add {C}.

{T}: Add {W} or {U}. Talisman of Progress deals 1 damage to you.

Exile target permanent you control. Return that card to the battlefield under its owner's control at the beginning of the next end step. If it enters the battlefield as a creature, it enters with an additional +1/+1 counter on it.

At the beginning of your end step, exile up to one target artifact or creature you control, then return that card to the battlefield under its owner's control.

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.

Indestructible

As long as your devotion to blue is less than five, Thassa isn't a creature.

At the beginning of your end step, exile up to one other target creature you control, then return that card to the battlefield under your control.

{3}{U}: Tap another target creature.

You have no maximum hand size.

{T}: Add {C}.

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.

Companion -- Your starting deck contains at least twenty cards more than the minimum deck size. (If this card is your chosen companion, you may put it into your hand from outside the game for {3} as a sorcery.)

Flying

When Yorion enters the battlefield, exile any number of other nonland permanents you own and control. Return those cards to the battlefield at the beginning of the next end step.

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

Zagoth Triome enters the battlefield tapped.

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