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

Flying, deathtouch, lifelink

Other creatures you control with flying get +1/+0.

Whenever you cast an artifact or enchantment spell, create a 1/1 blue Faerie creature token with flying.

Arcane Sanctum enters the battlefield tapped.

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

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

At the beginning of your upkeep, put a time counter on As Foretold.

Once each turn, you may pay {0} rather than pay the mana cost for a spell you cast with mana value X or less, where X is the number of time counters on As Foretold.

{T}: Add {C}.

Basic landcycling {1} ({1}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

Flash

Flying

If an opponent would search a library, that player searches the top four cards of that library instead.

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

Nonbasic lands don't untap during their controllers' untap steps.

When Banishing Light enters the battlefield, exile target nonland permanent an opponent controls until Banishing Light leaves the battlefield.

Whenever a creature you control deals combat damage to a player, you may draw a card.

{1}{U}, {T}: Creatures your opponents control attack this turn if able.

At the beginning of your upkeep, you lose 1 life and create a 1/1 black Faerie Rogue creature token with flying.

Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.)

Artifacts and creatures your opponents control enter the battlefield tapped.

{T}: Add {C}.

{2}, {T}, Sacrifice Buried Ruin: Return target artifact card from your graveyard to your hand.

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

{T}: Add one mana of any color.

Whenever a creature you control deals combat damage to an opponent, you may draw a card.

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

No more than two creatures can attack you each combat.

If a land is tapped for two or more mana, it produces {C} instead of any other type and amount.

Each spell a player casts costs {1} more to cast for each other spell that player has cast this turn.

Indestructible

{T}: Add one mana of any color.

Daxos's toughness is equal to your devotion to white. (Each {W} in the mana costs of permanents you control counts toward your devotion to white.)

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

Destroy all creatures.

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

Constellation -- Whenever Doomwake Giant or another enchantment enters the battlefield under your control, creatures your opponents control get -1/-1 until end of turn.

This spell can't be countered.

Counter target noncreature spell.

Indestructible

As long as your devotion to black is less than five, Erebos isn't a creature. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.)

Your opponents can't gain life.

{1}{B}, Pay 2 life: Draw a card.

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."

{T}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

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

Creatures you control with flying get +1/+1.

Enchant creature

Enchanted creature loses all abilities and is a blue Frog creature with base power and toughness 1/1. (It loses all other card types and creature types.)

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

Spells your opponents cast cost {2} more to cast.

At the beginning of your end step, each opponent loses 1 life.

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

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

Creature cards in graveyards and libraries can't enter the battlefield.

Players can't cast spells from graveyards or libraries.

Whenever a creature you control dies, each other player sacrifices a creature.

{T}: Add {C}.

{1}{W}, {T}: Put target enchantment card from your graveyard on top of your library.

{1}{W}{U}, {T}: Return target artifact or enchantment card from your graveyard to your hand.

Flying, lifelink

Creatures entering the battlefield or dying don't cause abilities to trigger.

Enchant creature

Enchanted creature loses all abilities and is a blue Fish with base power and toughness 0/1.

Search your library for an enchantment card, reveal it, put it into your hand, then shuffle.

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

Vigilance, menace, lifelink

Creature cards in graveyards can't enter the battlefield.

Players can't cast spells from graveyards.

Each opponent can't cast noncreature spells with mana value greater than the number of lands that player controls.

Whenever an opponent casts a spell, if no mana was spent to cast it, counter that spell.

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

You may cast spells as though they had flash.

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

If a card would be put into an opponent's graveyard from anywhere, exile it instead.

Choose one --

• Exile all artifacts.

• Exile all creatures.

• Exile all enchantments.

• Exile all planeswalkers.

Whenever you cast an enchantment spell, you may draw a card.

You may have Mirrormade enter the battlefield as a copy of any artifact or enchantment on the battlefield.

Each opponent can't draw more than one card each turn.

-2: Look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Counter target noncreature spell.

({W/P} can be paid with either {W} or 2 life.)

Creatures can't attack you or planeswalkers you control unless their controller pays {W/P} for each of those creatures.

When Oblivion Ring enters the battlefield, exile another target nonland permanent.

When Oblivion Ring leaves the battlefield, return the exiled card to the battlefield under its owner's control.

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

Return any number of target nonland, nontoken permanents you control to their owners' hands. Draw a card for each card returned to your hand this way.

Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Whenever an opponent casts a spell, you may exchange control of Perplexing Chimera and that spell. If you do, you may choose new targets for the spell. (If the spell becomes a permanent, you control that permanent.)

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

As Pithing Needle enters the battlefield, choose a card name.

Activated abilities of sources with the chosen name can't be activated unless they're mana abilities.

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

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

You have no maximum hand size.

{T}: Add {C}.

Counter target spell. Its controller can't cast spells this turn.

Whenever a creature an opponent controls dies, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

At the beginning of your upkeep, if you control ten or more Treasures, you win the game.

Each player can't cast more than one spell each turn.

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.")

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

When Solemn Simulacrum enters the battlefield, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

When Solemn Simulacrum dies, you may draw a card.

Creatures can't attack you or planeswalkers you control unless their controller pays {X} for each of those creatures, where X is the number of enchantments you control.

This spell can't be countered.

Destroy all creatures.

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

Your opponents play with their hands revealed.

Temple of Deceit enters the battlefield tapped.

When Temple of Deceit enters the battlefield, scry 1.

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

Temple of Enlightenment enters the battlefield tapped.

When Temple of Enlightenment enters the battlefield, scry 1.

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

Temple of Silence enters the battlefield tapped.

When Temple of Silence enters the battlefield, scry 1.

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

{T}, Sacrifice Terramorphic Expanse: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Return a creature you control to its owner's hand, then destroy all creatures.

Creatures entering the battlefield don't cause abilities to trigger.

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

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

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

Exile target creature you don't control. For each creature exiled this way, its controller searches their library for a basic land card. Those players put those cards onto the battlefield tapped, then shuffle.

Overload {4}{W}{W} (You may cast this spell for its overload cost. If you do, change its text by replacing all instances of "target" with "each.")