Irini Sengir

Green enchantment spells and white enchantment spells cost {2} more to cast.

Stern Judge

{T}: Each player loses 1 life for each Swamp they control.

Pygmy Kavu

When Pygmy Kavu enters, draw a card for each black creature your opponents control.

Wurm's Tooth

Whenever a player casts a green spell, you may gain 1 life.

Elephant Grass

Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
Black creatures can't attack you.
Nonblack creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

Royal Decree

Cumulative upkeep {W} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
Whenever a Swamp, Mountain, black permanent, or red permanent becomes tapped, Royal Decree deals 1 damage to that permanent's controller.

Scald

Whenever a player taps an Island for mana, Scald deals 1 damage to that player.

Mindsparker

First strike (This creature deals combat damage before creatures without first strike.)
Whenever an opponent casts a white or blue instant or sorcery spell, this creature deals 2 damage to that player.

Putrefaction

Whenever a player casts a green or white spell, that player discards a card.

Nature's Ruin

Dream Tides

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.

Chaotic Backlash

Chaotic Backlash deals damage to target player equal to twice the number of white and/or blue permanents they control.

Absolute Law

Mind Harness

Enchant red or green creature
Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
You control enchanted creature.

Sphere of Truth

If a white source would deal damage to you, prevent 2 of that damage.

Exorcist

{1}{W}, {T}: Destroy target black creature.

Sanctimony

Whenever an opponent taps a Mountain for mana, you may gain 1 life.

Karma

At the beginning of each player's upkeep, Karma deals damage to that player equal to the number of Swamps they control.

Bereavement

Whenever a green creature dies, its controller discards a card.

Jovial Evil

Jovial Evil deals X damage to target opponent, where X is twice the number of white creatures that player controls.

Lifeforce

Hibernation

Return all green permanents to their owners' hands.

Stromgald Cabal

{T}, Pay 1 life: Counter target white spell.

Perish

Destroy all green creatures. They can't be regenerated.

Southern Paladin

{W}{W}, {T}: Destroy target red permanent.

Light of Day

Thelon's Chant

At the beginning of your upkeep, sacrifice Thelon's Chant unless you pay {G}.
Whenever a player puts a Swamp onto the battlefield, Thelon's Chant deals 3 damage to that player unless the player puts a -1/-1 counter on a creature they control.

Heat Wave

Cumulative upkeep {R} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
Blue creatures can't block creatures you control.
Nonblue creatures can't block creatures you control unless their controller pays 1 life for each blocking creature they control.

Sphere of Law

If a red source would deal damage to you, prevent 2 of that damage.

Havoc

Whenever an opponent casts a white spell, they lose 2 life.

Omen of Fire

Return all Islands to their owners' hands. Each player sacrifices a Plains or a white permanent of their choice for each white permanent they control.

Insight

Whenever an opponent casts a green spell, you draw a card.

Magnetic Mountain

Blue 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 blue creatures they control and pay {4} for each creature chosen this way. If the player does, untap those creatures.

Spreading Algae

Enchant Swamp
When enchanted land becomes tapped, destroy it.
When Spreading Algae is put into a graveyard from the battlefield, return Spreading Algae to its owner's hand.

High Seas

Red creature spells and green creature spells cost {1} more to cast.

Red Elemental Blast

Choose one —
• Counter target blue spell.
• Destroy target blue permanent.

Glaciers

At the beginning of your upkeep, sacrifice Glaciers unless you pay {W}{U}.
All Mountains are Plains.

Absolute Grace

All creatures have protection from black.

Magistrate's Veto

White creatures and blue creatures can't block.

Blue Elemental Blast

Choose one —
• Counter target red spell.
• Destroy target red permanent.

Ceremonious Rejection

Flash of Defiance

Green creatures and white creatures can't block this turn.
Flashback—{1}{R}, Pay 3 life. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Reclamation

Black creatures can't attack unless their controller sacrifices a land of their choice for each black creature they control that's attacking. (This cost is paid as attackers are declared.)

Flooded Woodlands

Green creatures can't attack unless their controller sacrifices a land of their choice for each green creature they control that's attacking. (This cost is paid as attackers are declared.)

Pyroblast

Choose one —
• Counter target spell if it's blue.
• Destroy target permanent if it's blue.

Angel's Feather

Whenever a player casts a white spell, you may gain 1 life.

Demon's Horn

Whenever a player casts a black spell, you may gain 1 life.

Monsoon

At the beginning of each player's end step, tap all untapped Islands that player controls and Monsoon deals X damage to the player, where X is the number of Islands tapped this way.

Kithkin Zealot

When Kithkin Zealot enters, you gain 1 life for each black and/or red permanent target opponent controls.

Celestial Purge

Guttural Response

Sphere of Grace

If a black source would deal damage to you, prevent 2 of that damage.

Infernal Reckoning

Exile target colorless creature. You gain life equal to its power.

Conversion

At the beginning of your upkeep, sacrifice Conversion unless you pay {W}{W}.
All Mountains are Plains.

Tidal Control

Cumulative upkeep {2} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
Pay 2 life or {2}: Counter target red or green spell. Any player may activate this ability.

Dragon's Claw

Whenever a player casts a red spell, you may gain 1 life.

Flash Flood

Choose one —
• Destroy target red permanent.
• Return target Mountain to its owner's hand.

Chill

Douse

Dread of Night

Virtue's Ruin

Consign to Dream

Return target permanent to its owner's hand. If that permanent is red or green, put it on top of its owner's library instead.

Warmth

Whenever an opponent casts a red spell, you gain 2 life.

Sphere of Reason

If a blue source would deal damage to you, prevent 2 of that damage.

Yawgmoth's Edict

Whenever an opponent casts a white spell, that player loses 1 life and you gain 1 life.

Baleful Stare

Target opponent reveals their hand. You draw a card for each Mountain and red card in it.

Controlled Instincts

Enchant red or green creature
Enchanted creature doesn't untap during its controller's untap step.

Essence Leak

Enchant permanent
As long as enchanted permanent is red or green, it has "At the beginning of your upkeep, sacrifice this permanent unless you pay its mana cost."

Thoughtleech

Whenever an Island an opponent controls becomes tapped, you may gain 1 life.

Sphere of Duty

If a green source would deal damage to you, prevent 2 of that damage.

Spinal Villain

Blightbeetle

Protection from green (This creature can't be blocked, targeted, dealt damage, enchanted, or equipped by anything green.)
Creatures your opponents control can't have +1/+1 counters put on them.

Compost

Whenever a black card is put into an opponent's graveyard from anywhere, you may draw a card.

Anarchy

Breath of Dreams

Cumulative upkeep {U} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
Green creatures have "Cumulative upkeep {1}."

Kor Firewalker

Protection from red
Whenever a player casts a red spell, you may gain 1 life.

Dystopia

Cumulative upkeep—Pay 1 life. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
At the beginning of each player's upkeep, that player sacrifices a green or white permanent of their choice.

Deathmark

Honorable Scout

When Honorable Scout enters, you gain 2 life for each black and/or red creature target opponent controls.

Active Volcano

Choose one —
• Destroy target blue permanent.
• Return target Island to its owner's hand.

Gloom

White spells cost {3} more to cast.
Activated abilities of white enchantments cost {3} more to activate.

Withering Gaze

Target opponent reveals their hand. You draw a card for each Forest and green card in it.

Kraken's Eye

Whenever a player casts a blue spell, you may gain 1 life.

Typhoon

Typhoon deals damage to each opponent equal to the number of Islands that player controls.