Choose target spell or permanent that's red or green. Its owner puts it on the top or bottom of their library.

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

{2}, {T}, Sacrifice Armillary Sphere: Search your library for up to two basic land cards, reveal them, put them into your hand, then shuffle.

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.

{T}: Add {C}.

{3}{G}, {T}, Sacrifice Blighted Woodland: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

Burning Hands deals 2 damage to target creature or planeswalker. If that permanent is green, Burning Hands deals 6 damage instead.

{3}, Sacrifice Burnished Hart: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

Choose one --

• Counter target spell with mana value 2 or less.

• Counter target red or green spell with mana value 6 or less.

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

{T}: Add one mana of any color.

{1}: The next time a green source of your choice would deal damage to you this turn, prevent that damage.

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

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.

When Crossroads Candleguide enters the battlefield, exile up to one target card from a graveyard.

{2}: Add one mana of any color.

Crumbling Necropolis enters the battlefield tapped.

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

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

{B}{B}: Counter target green spell.

Destroy target green or white creature.

{T}: Add {G}.

Put a -1/-1 counter on Devoted Druid: Untap Devoted Druid.

Cleave {1}{B}{B}{G} (You may cast this spell for its cleave cost. If you do, remove the words in square brackets.)

Search your library for a [basic land] card, [reveal it,] put it into your hand, then shuffle.

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

Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

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."

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

{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.

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

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.)

Counter target red or green spell.

Frontier Bivouac enters the battlefield tapped.

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

{T}: Another target creature you control gains protection from colorless or from the color of your choice until end of turn.

All creatures get -1/-1 until end of turn. Creatures that are green and/or white get an additional -2/-2 until end of turn.

Each spell you cast that's red or green costs {1} less to cast.

Enchant creature

Enchanted creature has protection from green. This effect doesn't remove Green Ward.

As an additional cost to cast this spell, sacrifice a land.

Search your library for up to two basic land cards, put them onto the battlefield, then shuffle.

Return all green permanents to their owners' hands.

Hithlain Rope can't be sacrificed.

{1}, {T}: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle. The player to your right gains control of Hithlain Rope.

{2}, {T}: Draw a card. The player to your right gains control of Hithlain Rope.

You may have Imposter Mech enter the battlefield as a copy of a creature an opponent controls, except it's a Vehicle artifact with crew 3 and it loses all other card types.

Crew 3

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

Jungle Shrine enters the battlefield tapped.

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

When Jungle Wayfinder enters the battlefield, each player may search their library for a basic land card, reveal it, put it into their hand, then shuffle.

+1: Create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.")

-1: Pay any amount of mana. Look at that many cards from the top of your library, then put one of those cards into your hand and the rest on the bottom of your library in a random order.

-7: You get an emblem with "Tap an untapped artifact you control: This emblem deals 1 damage to any target."

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

Equip {0}

Changeling (This card is every creature type.)

{X}: Until end of turn, creatures you control have base power and toughness X/X and gain all creature types.

This spell can't be countered.

Haste, protection from blue

Mistcutter Hydra enters the battlefield with X +1/+1 counters on it.

{T}: Target creature you control gains protection from the color of your choice until end of turn.

Myriad Landscape enters the battlefield tapped.

{T}: Add {C}.

{2}, {T}, Sacrifice Myriad Landscape: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

Creatures you control get +1/+0 and have haste.

At the beginning of your end step, exile any number of nontoken artifacts and/or creatures you control. Return those cards to the battlefield under their owner's control at the beginning of your next upkeep.

Destroy all green creatures.

Destroy target creature or planeswalker that's green or white. You gain 1 life.

Draw cards equal to the highest mana value among artifacts you control.

Enchant creature or enchantment

Enchanted permanent is an enchantment and loses all other card types. (It still has its abilities, but it's no longer a creature.)

Opulent Palace enters the battlefield tapped.

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

Magical Tinkering -- {W}, {T}, Sacrifice an artifact: Search your library for an artifact card with mana value equal to 1 plus the sacrificed artifact's mana value, put it onto the battlefield, then shuffle. Activate only as a sorcery.

This spell costs {2} less to cast if it targets a green permanent.

Return target nonland permanent an opponent controls to its owner's hand.

Draw a card.

Artifacts you control have hexproof.

At the beginning of your upkeep, if you control the artifact with the highest mana value or tied for the highest mana value, draw a card.

As Painter's Servant enters the battlefield, choose a color.

All cards that aren't on the battlefield, spells, and permanents are the chosen color in addition to their other colors.

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

If an opponent had a green creature enter the battlefield under their control this turn, you may pay {U} rather than pay this spell's mana cost.

Tap up to two target creatures. Those creatures don't untap during their controller's next untap step.

{2}, {T}, Sacrifice a creature: Search your library for a creature card that shares a creature type with the sacrificed creature and has mana value equal to 1 plus that creature's mana value. Put that card onto the battlefield, then shuffle. Activate only as a sorcery.

({2/W} can be paid with any two mana or with {W}. This card's mana value is 10.)

Other Scarecrow creatures you control get +1/+1.

Whenever another Scarecrow enters the battlefield under your control, destroy target permanent.

As an additional cost to cast this spell, sacrifice an artifact.

Search your library for an artifact card with mana value X or less, put it onto the battlefield, then shuffle.

{W}: The next time a green source of your choice would deal damage to you this turn, prevent that damage.

Cycling {2} ({2}, Discard this card: Draw a card.)

{1}, Sacrifice a Scarecrow: Draw a card.

{4}, {T}: Return target artifact creature card from your graveyard to the battlefield.

Whenever Scaretiller becomes tapped, choose one --

• You may put a land card from your hand onto the battlefield tapped.

• Return target land card from your graveyard to the battlefield tapped.

Choose two target players. Each of them searches their library for a card, then shuffles and puts that card on top.

{T}: Add one mana of any color.

{T}: Target creature becomes the color or colors of your choice until end of turn.

Target opponent sacrifices a green or white creature. If that player does, they lose 2 life.

{3}: Target blue creature gains shroud until end of turn. (It can't be the target of spells or abilities.)

Enchant creature

Enchanted creature has protection from green and from blue.

Vigilance

{2}: Add one mana of any color.

Whenever an opponent casts a blue or black spell, you may create a 1/1 green Snake creature token.

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

Flying

When Sphinx Summoner enters the battlefield, you may search your library for an artifact creature card, reveal it, put it into your hand, then shuffle.

Defender (This creature can't attack.)

Green spells and blue spells you cast cost {1} less to cast.

Flash

Enchant creature or Vehicle

Enchanted permanent is a Vehicle artifact with crew 5 and it loses all other card types. (It's not a creature unless it's crewed.)

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

Whenever equipped creature deals combat damage to a player, you create a 2/2 green Wolf creature token and that player mills ten cards.

Equip {2}

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

Whenever equipped creature deals combat damage to a player, that player discards a card and you untap all lands you control.

Equip {2}

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

Whenever equipped creature deals combat damage to a player, exile the top two cards of your library. You may play those cards this turn. You may play an additional land this turn.

Equip {2}

At the beginning of your upkeep, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")

{T}, Sacrifice three Clues: Search your library for a card, put that card into your hand, then shuffle.

Reach

When Thran Spider enters the battlefield, you and target opponent each create a tapped Powerstone token.

{7}: Look at the top four cards of your library. You may reveal an artifact card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

First strike

Black spells and green spells you cast cost {1} less to cast.

When Tribute Mage enters the battlefield, you may search your library for an artifact card with mana value 2, reveal that card, put it into your hand, then shuffle.

Changeling (This card is every creature type.)

At the beginning of your upkeep, exile the top card of your library. You may play that card this turn.

At the beginning of your end step, if you didn't play a card from exile this turn, create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.")

{2}, {T}, Sacrifice Wayfarer's Bauble: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.)

Search your library for an artifact card with mana value X or less, put it onto the battlefield, then shuffle.

Defender

{2}, Sacrifice Wild-Field Scarecrow: Search your library for up to two basic land cards, reveal them, put them into your hand, then shuffle.

Wishclaw Talisman enters the battlefield with three wish counters on it.

{1}, {T}, Remove a wish counter from Wishclaw Talisman: Search your library for a card, put it into your hand, then shuffle. An opponent gains control of Wishclaw Talisman. Activate only during your turn.

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

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