Whenever a player casts a creature spell, that player sacrifices a permanent unless they pay {1}.

Whenever a land enters the battlefield, Ankh of Mishra deals 2 damage to that land's controller.

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.

Whenever a creature attacks you or a planeswalker you control, that creature's controller loses 1 life.

At the beginning of each end step, if an opponent lost 2 or more life this turn, you may put a quest counter on Bloodchief Ascension. (Damage causes loss of life.)

Whenever a card is put into an opponent's graveyard from anywhere, if Bloodchief Ascension has three or more quest counters on it, you may have that player lose 2 life. If you do, you gain 2 life.

If a player would draw a card, instead they draw a card and reveal it. If it's a creature card, that player discards it unless they pay 3 life.

Until end of turn, whenever a player taps a Swamp for mana, that player adds an additional {B}.

Return target permanent to its owner's hand. Its controller loses 3 life.

Transmute {1}{U}{B} ({1}{U}{B}, Discard this card: Search your library for a card with the same mana value as this card, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.)

At the beginning of each player's upkeep, Copper Tablet deals 1 damage to that player.

You may have Copy Artifact enter the battlefield as a copy of any artifact on the battlefield, except it's an enchantment in addition to its other types.

You may have Copy Enchantment enter the battlefield as a copy of any enchantment on the battlefield.

Counter target noncreature spell. Its controller loses 2 life.

Choose two --

• Counter target spell.

• Return target permanent to its owner's hand.

• Tap all creatures your opponents control.

• Draw a card.

As Curse of Wizardry enters the battlefield, choose a color.

Whenever a player casts a spell of the chosen color, that player loses 1 life.

Return target nonland permanent you don't control to its owner's hand.

Overload {6}{U} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

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

Creatures don't untap during their controllers' untap steps.

At the beginning of each player's upkeep, that player may choose any number of tapped nongreen creatures they control and pay {2} for each creature chosen this way. If the player does, untap those creatures.

You may have Estrid's Invocation enter the battlefield as a copy of an enchantment you control, except it has "At the beginning of your upkeep, you may exile this enchantment. If you do, return it to the battlefield under its owner's control."

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

Each opponent loses X life. You gain life equal to the life lost this way.

You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.

Counter target spell.

Players can't gain life.

At the beginning of each player's upkeep, that player loses 1 life.

Whenever Forsaken Wastes becomes the target of a spell, that spell's controller loses 5 life.

Artifacts, creatures, and lands your opponents control enter the battlefield tapped.

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

Destroy target nonartifact creature.

As long as Guardian Beast is untapped, noncreature artifacts you control can't be enchanted, they have indestructible, and other players can't gain control of them. This effect doesn't remove Auras already attached to those artifacts.

Until end of turn, whenever a player taps an Island for mana, that player adds an additional {U}.

Whenever an opponent casts a creature spell that doesn't share a color with a creature you control, counter that spell unless that player pays {X}, where X is its mana value.

Whenever an opponent casts a creature spell, that player loses 2 life unless they pay {2}.

For each creature, its controller sacrifices it unless they pay X life.

Flying

Creatures you control have "Whenever this creature becomes the target of a spell or ability for the first time each turn, counter that spell or ability."

At the beginning of your upkeep, sacrifice Koskun Falls unless you tap an untapped creature you control.

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

If an opponent who controls at least as many lands as you do would put a land onto the battlefield, that player instead puts that land onto the battlefield then sacrifices a land.

({T}: Add {B}.)

Leechridden Swamp enters the battlefield tapped.

{B}, {T}: Each opponent loses 1 life. Activate only if you control two or more black permanents.

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.)

Equip {0}

At the beginning of your upkeep, for each player, Lim-Dûl's Hex deals 1 damage to that player unless they pay {B} or {3}.

Counter target spell. At the beginning of your next main phase, add an amount of {C} equal to that spell's mana value.

Creatures with power 3 or greater don't untap during their controllers' untap steps.

{2}: Mirage Mirror becomes a copy of target artifact, creature, enchantment, or land until end of turn.

{T}: Add one mana of any color among legendary creatures and planeswalkers you control.

Flash

If an opponent would draw a card except the first one they draw in each of their draw steps, instead that player skips that draw and you draw a card.

Whenever a player puts a nontoken creature onto the battlefield, that player returns a land they control to its owner's hand.

Whenever an opponent casts a spell, that player loses 5 life unless they discard a card.

At the beginning of the end step, if no creatures are on the battlefield, sacrifice Pestilence.

{B}: Pestilence deals 1 damage to each creature and each player.

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

Whenever a creature enters the battlefield, if there are two or more other creatures on the battlefield, exile that creature. Return that card to the battlefield under its owner's control when Portcullis leaves the battlefield.

Players have no maximum hand size.

At the beginning of each opponent's upkeep, Price of Knowledge deals damage to that player equal to the number of cards in that player's hand.

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

Psychosis Crawler's power and toughness are each equal to the number of cards in your hand.

Whenever you draw a card, each opponent loses 1 life.

Whenever an opponent casts a spell, you may draw a card unless that player pays {1}.

Enchant creature

At the beginning of the upkeep of enchanted creature's controller, that player sacrifices that creature unless they pay {2}.

When Slow Motion is put into a graveyard from the battlefield, return Slow Motion to its owner's hand.

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

Whenever an opponent casts a creature spell, Soul Barrier deals 2 damage to that player unless they pay {2}.

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)

Until end of turn, creatures target player controls lose all abilities and have base power and toughness 0/2.

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.)

Equip {1}

At the beginning of each end step, if an opponent lost 3 or more life this turn, you may draw a card. (Damage causes loss of life.)

Whenever a creature enters the battlefield, its controller sacrifices a creature or land.

Whenever a source you control other than Talon of Pain deals damage to an opponent, put a charge counter on Talon of Pain.

{X}, {T}, Remove X charge counters from Talon of Pain: It deals X damage to any target.

All creatures have "At the beginning of your upkeep, destroy this creature unless you pay {1}."

Imprint -- When Thought Prison enters the battlefield, you may have target player reveal their hand. If you do, choose a nonland card from it and exile that card.

Whenever a player casts a spell that shares a color or mana value with the exiled card, Thought Prison deals 2 damage to that player.

You have no maximum hand size.

{T}: Add {C}.

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

Whenever an opponent draws a card, Underworld Dreams deals 1 damage to that player.

All creatures have "At the beginning of your upkeep, sacrifice this creature unless you pay 1 life."

At the beginning of the end step, if no creatures are on the battlefield, sacrifice Withering Wisps.

{B}: Withering Wisps deals 1 damage to each creature and each player. Activate no more times each turn than the number of snow Swamps you control.