{U}: Exile Aetherling. Return it to the battlefield under its owner's control at the beginning of the next end step.

{U}: Aetherling can't be blocked this turn.

{1}: Aetherling gets +1/-1 until end of turn.

{1}: Aetherling gets -1/+1 until end of turn.

Counter target noncreature spell. Its controller creates two Treasure tokens. (They're artifacts with "{T}, Sacrifice this artifact: Add one mana of any color.")

Draw cards equal to the number of cards in your hand, then discard a card for each card drawn this way.

Basic landcycling {2} ({2}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

Haste

As long as Anger is in your graveyard and you control a Mountain, creatures you control have haste.

Counter target spell. Its controller may draw up to two cards at the beginning of the next turn's upkeep.

You draw a card at the beginning of the next turn's upkeep.

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

{T}: Draw three cards.

{2}{U}{U}: Return Arcanis the Omnipotent to its owner's hand.

Squad {2} (As an additional cost to cast this spell, you may pay {2} any number of times. When this creature enters the battlefield, create that many tokens that are copies of it.)

Arco-Flagellant can't block.

Endurant -- Pay 3 life: Arco-Flagellant gains indestructible until end of turn.

Binding Contract -- If you would draw a card, exile the top card of your library face down instead.

{B}{B}{B}: Draw seven cards.

{B}: Return all cards exiled with Asmodeus the Archfiend to their owner's hand and you lose that much life.

If there are ten or more creature cards total in all graveyards, this spell costs {6} less to cast.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)

{T}: Destroy target creature. It can't be regenerated.

Basalt Monolith doesn't untap during your untap step.

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

{3}: Untap Basalt Monolith.

Destroy target artifact, creature, or planeswalker.

As an additional cost to cast this spell, discard a card or pay 3 life.

Destroy target creature or planeswalker.

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

Blasphemous Act deals 13 damage to each creature.

Flying

{1}: Blighted Bat gains haste until end of turn.

Exile target creature you control, then return that card to the battlefield under its owner's control.

Draw a card.

Bojuka Bog enters the battlefield tapped.

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

{T}: Add {B}.

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

Draw two cards, then discard two cards.

{T}: Add {C}.

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

As an additional cost to cast this spell, discard two cards.

Draw three cards.

Flying

When Cavern Harpy enters the battlefield, return a blue or black creature you control to its owner's hand.

Pay 1 life: Return Cavern Harpy to its owner's hand.

Discard a card: Cephalid Inkshrouder gains shroud until end of turn and can't be blocked this turn. (A creature with shroud can't be the target of spells or abilities.)

Chain Reaction deals X damage to each creature, where X is the number of creatures on the battlefield.

The owner of target permanent shuffles it into their library, then reveals the top card of their library. If it's a permanent card, they put it onto the battlefield.

Charcoal Diamond enters the battlefield tapped.

{T}: Add {B}.

Lands you control have "{T}: Add one mana of any color."

{T}: Add one mana of any color.

{T}: Target player discards a card. Activate only during your turn.

Put a -1/-1 counter on Cinderhaze Wretch: Untap Cinderhaze Wretch.

Coldsteel Heart enters the battlefield tapped.

As Coldsteel Heart enters the battlefield, choose a color.

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

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

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

Sacrifice Commander's Sphere: Draw a card.

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

Surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Draw a card.

Each player chooses a nonland permanent they control. Return all nonland permanents not chosen this way to their owners' hands. Then you draw a card for each opponent who has more cards in their hand than you.

Counter target spell.

Choose one --

• Return target permanent to its owner's hand.

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

• Destroy target artifact.

Crumbling Necropolis enters the battlefield tapped.

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

{1}, {T}: Add {U}{B}.

As an additional cost to cast this spell, sacrifice an artifact or discard a card.

Draw two cards.

{1}, {T}: Add {U}{B}.

Dragonskull Summit enters the battlefield tapped unless you control a Swamp or a Mountain.

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

Choose one --

• Counter target spell with mana value less than or equal to the number of cards in its controller's graveyard.

• Destroy target creature with mana value less than or equal to the number of cards in its controller's graveyard.

Drowned Catacomb enters the battlefield tapped unless you control an Island or a Swamp.

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

{B}: Endling gains menace until end of turn.

{B}: Endling gains deathtouch until end of turn.

{B}: Endling gains undying until end of turn. (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.)

{1}: Endling gets +1/-1 or -1/+1 until end of turn.

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.

Return all creatures to their owners' hands.

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

Reveal the top five cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard.

Draw two cards, then discard two cards.

Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

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

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

Creatures you control have haste. (They can attack and {T} as soon as they come under your control.)

Search your library for two cards. Put one into your hand and the other into your graveyard. Then shuffle.

Fire Diamond enters the battlefield tapped.

{T}: Add {R}.

Look at the top four cards of your library. Put one of them into your hand and the rest into your graveyard.

Flashback {6}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Draw two cards, then discard two cards. Untap up to three lands.

As Frostboil Snarl enters the battlefield, you may reveal an Island or Mountain card from your hand. If you don't, Frostboil Snarl enters the battlefield tapped.

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

Exile two target artifacts, creatures, and/or lands you control, then return those cards to the battlefield under your control.

{T}: Add three mana of any one color.

{R}: Creatures you control gain haste until end of turn.

{3}{R}{R}: Create a 5/5 red Dragon Spirit creature token with flying. Activate only if you control an attacking modified creature. (Equipment, Auras you control, and counters are modifications.)

Wither (This deals damage to creatures in the form of -1/-1 counters.)

{2}{R}, {Q}: Hateflayer deals damage equal to its power to any target. ({Q} is the untap symbol.)

Haunted Ridge enters the battlefield tapped unless you control two or more other lands.

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

{U}: Untap Horseshoe Crab.

Exile the top three cards of your library in a face-down pile, then exile the top three cards of your library in another face-down pile. Look at the cards in each pile, then turn a pile of your choice face up. An opponent chooses one of those piles. Put all cards in the chosen pile into your hand and the rest into your graveyard. You lose 3 life.

Destroy target creature. You lose 2 life.

Reveal the top five cards of your library and separate them into two piles. An opponent chooses one of those piles. Put that pile into your hand and the other into your graveyard. Create a 0/0 colorless Thopter artifact creature token with flying, then put a +1/+1 counter on it for each card put into your graveyard this way.

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

Izzet Boilerworks enters the battlefield tapped.

When Izzet Boilerworks enters the battlefield, return a land you control to its owner's hand.

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

Choose one --

• Counter target noncreature spell unless its controller pays {2}.

• Izzet Charm deals 2 damage to target creature.

• Draw two cards, then discard two cards.

{1}, {T}: Add {U}{R}.

{U}, {T}: Each player discards their hand, then draws cards equal to the greatest number of cards a player discarded this way.

Choose one --

• Look at the top five cards of your library. Put one of those cards into your hand and the rest into your graveyard.

• Each opponent loses 3 life and you gain 3 life.

• Maestros Charm deals 5 damage to target creature or planeswalker.

When Mairsil, the Pretender enters the battlefield, you may exile an artifact or creature card from your hand or graveyard and put a cage counter on it.

Mairsil, the Pretender has all activated abilities of all cards you own in exile with cage counters on them. You may activate each of those abilities only once each turn.

{T}: Add {C}.

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

Protection from black

At the beginning of your upkeep, Minion of Leshrac deals 5 damage to you unless you sacrifice a creature other than Minion of Leshrac. If Minion of Leshrac deals damage to you this way, tap it.

{T}: Destroy target creature or land.

{U}: Untap Morphling.

{U}: Morphling gains flying until end of turn.

{U}: Morphling gains shroud until end of turn. (It can't be the target of spells or abilities.)

{1}: Morphling gets +1/-1 until end of turn.

{1}: Morphling gets -1/+1 until end of turn.

({T}: Add {R}.)

Counter target noncreature spell.

Nevinyrral's Disk enters the battlefield tapped.

{1}, {T}: Destroy all artifacts, creatures, and enchantments.

{T}: Search your library for a card, put it into your graveyard, then shuffle. If it's an instant or sorcery card, put a +1/+1 counter on Oriq Loremage.

Pack Rat's power and toughness are each equal to the number of Rats you control.

{2}{B}, Discard a card: Create a token that's a copy of Pack Rat.

Path of Ancestry enters the battlefield tapped.

{T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

{T}: Add one mana of any color.

{1}, {T}: Untap target legendary creature you control.

Pendant of Prosperity enters the battlefield under the control of an opponent of your choice.

{2}, {T}: Draw a card, then you may put a land card from your hand onto the battlefield. Pendant of Prosperity's owner draws a card, then that player may put a land card from their hand onto the battlefield.

Flying

{2}, {Q}: Add one mana of any color. ({Q} is the untap symbol.)

Exile target artifact or creature, then return it to the battlefield under its owner's control with a +1/+1 counter on it.

{U}: Quicksilver Elemental gains all activated abilities of target creature until end of turn. (If any of the abilities use that creature's name, use this creature's name instead.)

You may spend blue mana as though it were mana of any color to pay the activation costs of Quicksilver Elemental's abilities.

Choose one --

• Exile target player's graveyard.

• Destroy target artifact.

• Each creature deals 1 damage to its controller.

{1}, {T}: Add {B}{R}.

Exile target nonland permanent. For as long as that card remains exiled, its owner may cast it without paying its mana cost.

{T}: Add two mana in any combination of {U}, {B}, and/or {R}.

{3}, {T}: Draw two cards, then discard a card.

{T}: Add {C}.

{1}{U}, {T}: Return target Wizard you control to its owner's hand.

Creatures you control have haste.

Legendary creatures you control get +1/+0.

{T}: Add {U}. If you played a land this turn, add {B} instead.

{T}: Add {U}.

{T}: Add {R}.

Flying

Shauku, Endbringer can't attack if there's another creature on the battlefield.

At the beginning of your upkeep, you lose 3 life.

{T}: Exile target creature and put a +1/+1 counter on Shauku.

Shipwreck Marsh enters the battlefield tapped unless you control two or more other lands.

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

{T}: Add {C}.

{T}: Add {U} or {R}. Shivan Reef deals 1 damage to you.

Exile target creature you control, then return that card to the battlefield under its owner's control. If a Pirate was exiled this way, draw a card.

Sky Diamond enters the battlefield tapped.

{T}: Add {U}.

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

Smoldering Marsh enters the battlefield tapped unless you control two or more basic lands.

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

{1}: Untap Staff of Domination.

{2}, {T}: You gain 1 life.

{3}, {T}: Untap target creature.

{4}, {T}: Tap target creature.

{5}, {T}: Draw a card.

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

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

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

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

Sulfur Falls enters the battlefield tapped unless you control an Island or a Mountain.

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

{T}: Add {C}.

{T}: Add {B} or {R}. Sulfurous Springs deals 1 damage to you.

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

Sunken Hollow enters the battlefield tapped unless you control two or more basic lands.

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

{T}: Add {C}.

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

{T}: Add {C}.

{T}: Add {U} or {B}. Talisman of Dominance deals 1 damage to you.

{T}: Add {C}.

{T}: Add {B} or {R}. Talisman of Indulgence 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.

Destroy target creature. It can't be regenerated.

Target player mills two cards.

Draw a card.

You may activate abilities of creatures you control as though those creatures had haste.

{1}, {T}: Untap target creature.

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

As an additional cost to cast this spell, discard a card.

Draw two cards.

{R}: Untap Torchling.

{R}: Target creature blocks Torchling this turn if able.

{R}: Change the target of target spell that targets only Torchling.

{1}: Torchling gets +1/-1 until end of turn.

{1}: Torchling gets -1/+1 until end of turn.

As an additional cost to cast this spell, discard a card.

Draw two cards.

As an additional cost to cast this spell, pay X life.

All creatures get -X/-X until end of turn.

Training Center enters the battlefield tapped unless you have two or more opponents.

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

Defender

{T}: Exchange target opponent's life total with Tree of Perdition's toughness.

Search your library for a nonlegendary card, put that card into your graveyard, then shuffle.

Each player secretly chooses a number 0 or greater, then all players reveal those numbers simultaneously and determine the highest and lowest numbers revealed this way. Wheel of Misfortune deals damage equal to the highest number to each player who chose that number. Each player who didn't choose the lowest number discards their hand, then draws seven cards.

Each player discards their hand, then draws cards equal to the greatest number of cards a player discarded this way.

This spell costs {1} less to cast if you control a Wizard.

Counter target spell.

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

Xander's Lounge enters the battlefield tapped.

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