When Avenger of Zendikar enters the battlefield, create a 0/1 green Plant creature token for each land you control.

Landfall -- Whenever a land enters the battlefield under your control, you may put a +1/+1 counter on each Plant creature you control.

Azorius Guildgate enters the battlefield tapped.

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

When Bane of Progress enters the battlefield, destroy all artifacts and enchantments. Put a +1/+1 counter on Bane of Progress for each permanent destroyed this way.

Choose one --

• Counter target red spell.

• Destroy target red permanent.

When Bogardan Firefiend dies, it deals 2 damage to target creature.

Haste (This creature can attack and {T} as soon as it comes under your control.)

Whenever Bolt Hound attacks, other creatures you control get +1/+0 until end of turn.

Boros Guildgate enters the battlefield tapped.

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

Trample

Botanical Brawler enters the battlefield with two +1/+1 counters on it.

Whenever one or more +1/+1 counters are put on another permanent you control, if it's the first time +1/+1 counters have been put on that permanent this turn, put a +1/+1 counter on Botanical Brawler.

Flash

When Briarhorn enters the battlefield, target creature gets +3/+3 until end of turn.

Evoke {1}{G} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)

Create a 5/5 blue and red Elemental creature token with flying.

Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)

{T}: Add {C}.

{1}, {T}: Add one mana of any color.

{4}, {T}, Sacrifice Captivating Cave: Put two +1/+1 counters on target creature. Activate only as a sorcery.

Sacrifice Catalyst Elemental: Add {R}{R}.

+1: Elementals you control get +2/+0 until end of turn.

-1: Add {R}{R}.

-2: Chandra, Novice Pyromancer deals 2 damage to any target.

Trample

At the beginning of your end step, if you descended this turn, put a +1/+1 counter on Child of the Volcano. (You descended if a permanent card was put into your graveyard from anywhere.)

Each creature gets +1/+1 for each other creature on the battlefield that shares at least one creature type with it. (For example, if two Goblin Warriors and a Goblin Shaman are on the battlefield, each gets +2/+2.)

Landfall -- Whenever a land enters the battlefield under your control, you may have Cosi's Ravager deal 1 damage to target player or planeswalker.

Choose three. You may choose the same mode more than once.

• Search your library for a Cave card, put it onto the battlefield tapped, then shuffle.

• Put three +1/+1 counters on a Cave you control. It becomes a 0/0 Elemental creature with haste. It's still a land.

• Destroy target enchantment.

Other Elementals you control get +1/+0.

{2}{R}{G}: Creeping Trailblazer gets +1/+1 until end of turn for each Elemental you control.

Dimir Guildgate enters the battlefield tapped.

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

Dismal Backwater enters the battlefield tapped.

When Dismal Backwater enters the battlefield, you gain 1 life.

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

Siege Monster -- When Earth-Cult Elemental enters the battlefield, roll a d20.

1--9 | Each player sacrifices a permanent.

10--19 | Each opponent sacrifices a permanent.

20 | Each opponent sacrifices two permanents.

Fertilid enters the battlefield with two +1/+1 counters on it.

{1}{G}, Remove a +1/+1 counter from Fertilid: Target player searches their library for a basic land card, puts it onto the battlefield tapped, then shuffles.

As an additional cost to cast this spell, reveal an Elemental card from your hand or pay {3}.

{R}: Flamekin Brawler gets +1/+0 until end of turn.

Flying

When Flickerwisp enters the battlefield, exile another target permanent. Return that card to the battlefield under its owner's control at the beginning of the next end step.

({T}: Add {G}.)

When Foundry Champion enters the battlefield, it deals damage to any target equal to the number of creatures you control.

{R}: Foundry Champion gets +1/+0 until end of turn.

{W}: Foundry Champion gets +0/+1 until end of turn.

Double strike

When Fury enters the battlefield, it deals 4 damage divided as you choose among any number of target creatures and/or planeswalkers.

Evoke--Exile a red card from your hand.

Haste

When Glarewielder enters the battlefield, up to two target creatures can't block this turn.

Evoke {1}{R} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)

Flying

{1}{U}: Untap Glimmerbell.

Golgari Guildgate enters the battlefield tapped.

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

When Grave Sifter enters the battlefield, each player chooses a creature type and returns any number of cards of that type from their graveyard to their hand.

{R}, Return Grinning Ignus to its owner's hand: Add {C}{C}{R}. Activate only as a sorcery.

Gruul Guildgate enters the battlefield tapped.

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

Hidden Courtyard enters the battlefield tapped.

{T}: Add {W}.

{4}{W}, {T}, Sacrifice Hidden Courtyard: Discover 4. Activate only as a sorcery. (Exile cards from the top of your library until you exile a nonland card with mana value 4 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

Hidden Necropolis enters the battlefield tapped.

{T}: Add {B}.

{4}{B}, {T}, Sacrifice Hidden Necropolis: Discover 4. Activate only as a sorcery. (Exile cards from the top of your library until you exile a nonland card with mana value 4 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

Hidden Nursery enters the battlefield tapped.

{T}: Add {G}.

{4}{G}, {T}, Sacrifice Hidden Nursery: Discover 4. Activate only as a sorcery. (Exile cards from the top of your library until you exile a nonland card with mana value 4 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

Hidden Volcano enters the battlefield tapped.

{T}: Add {R}.

{4}{R}, {T}, Sacrifice Hidden Volcano: Discover 4. Activate only as a sorcery. (Exile cards from the top of your library until you exile a nonland card with mana value 4 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

Morbid -- When Hollowhenge Scavenger enters the battlefield, if a creature died this turn, you gain 5 life.

Vigilance, trample, haste

{W}{U}{B}{R}{G}: You may play target Elemental card from your graveyard without paying its mana cost.

Choose one --

• Counter target spell if it's red.

• Destroy target permanent if it's red.

When Ingot Chewer enters the battlefield, destroy target artifact.

Evoke {R} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)

(As a Siege enters, choose an opponent to protect it. You and others can attack it. When it's defeated, exile it, then cast it transformed.)

When Invasion of Azgol enters the battlefield, target player sacrifices a creature or planeswalker and loses 1 life.

Menace

At the beginning of your end step, put a +1/+1 counter on Ashen Reaper if a permanent was put into a graveyard from the battlefield this turn.

(As a Siege enters, choose an opponent to protect it. You and others can attack it. When it's defeated, exile it, then cast it transformed.)

When Invasion of Mercadia enters the battlefield, you may discard a card. If you do, draw two cards.

{2}{R}, {T}, Discard a card: Create two 1/1 blue and red Elemental creature tokens. Creatures you control get +1/+0 and gain haste until end of turn.

({T}: Add {U}.)

Ivy Elemental enters the battlefield with X +1/+1 counters on it.

Izzet Guildgate enters the battlefield tapped.

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

Companion -- No card in your starting deck has more than one of the same mana symbol in its mana cost. (If this card is your chosen companion, you may put it into your hand from outside the game for {3} as a sorcery.)

{T}: Add {W}{U}{B}{R}{G}. This mana can't be spent to pay generic mana costs.

{T}: Add {G} for each creature with power 4 or greater you control.

{7}{R}: Leafkin Avenger deals damage equal to its power to target player or planeswalker.

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

Each nonland permanent you control is all colors.

Lands you control are every basic land type in addition to their other types.

Add {R} for each tapped land your opponents control.

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.

({T}: Add {R}.)

({T}: Add {R}.)

If you would lose unspent mana, that mana becomes black instead.

At the beginning of your precombat main phase, look at the top card of your library. You may reveal that card if it has three or more colored mana symbols in its mana cost. If you do, add three mana in any combination of its colors and put it into your hand. If you don't reveal it, put it into your hand.

Whenever a creature attacks this turn, it gains lifelink until end of turn.

Awaken 4--{4}{W} (If you cast this spell for {4}{W}, also put four +1/+1 counters on target land you control and it becomes a 0/0 Elemental creature with haste. It's still a land.)

Orzhov Guildgate enters the battlefield tapped.

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

When Overgrowth Elemental enters the battlefield, put a +1/+1 counter on another target Elemental you control.

Whenever another creature you control dies, you gain 1 life. If that creature was an Elemental, put a +1/+1 counter on Overgrowth Elemental.

Pit of Offerings enters the battlefield tapped.

When Pit of Offerings enters the battlefield, exile up to three target cards from graveyards.

{T}: Add {C}.

{T}: Add one mana of any of the exiled cards' colors.

({T}: Add {W}.)

({T}: Add {W}.)

Destroy all nonland creatures.

Awaken 4--{5}{W}{W}{W} (If you cast this spell for {5}{W}{W}{W}, also put four +1/+1 counters on target land you control and it becomes a 0/0 Elemental creature with haste. It's still a land.)

As Primal Plasma enters the battlefield, it becomes your choice of a 3/3 creature, a 2/2 creature with flying, or a 1/6 creature with defender.

{T}: Add {C}.

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

Choose one --

• Counter target spell if it's blue.

• Destroy target permanent if it's blue.

Rakdos Guildgate enters the battlefield tapped.

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

Choose one --

• Counter target blue spell.

• Destroy target blue permanent.

Exile target artifact or creature. Its controller creates a 4/4 blue and red Elemental creature token.

Whenever Risen Reef or another Elemental enters the battlefield under your control, look at the top card of your library. If it's a land card, you may put it onto the battlefield tapped. If you don't put the card onto the battlefield, put it into your hand.

First strike

Whenever another creature dies, you may put a +1/+1 counter on Rockslide Elemental.

Rugged Highlands enters the battlefield tapped.

When Rugged Highlands enters the battlefield, you gain 1 life.

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

At the beginning of your upkeep, Rumbling Slum deals 1 damage to each player.

Counter target spell.

Awaken 3--{4}{U}{U} (If you cast this spell for {4}{U}{U}, also put three +1/+1 counters on target land you control and it becomes a 0/0 Elemental creature with haste. It's still a land.)

Scouring Sands deals 1 damage to each creature your opponents control. Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Selesnya Guildgate enters the battlefield tapped.

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

Flying

Shinewend enters the battlefield with a +1/+1 counter on it.

{1}{W}, Remove a +1/+1 counter from Shinewend: Destroy target enchantment.

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

When Shriekmaw enters the battlefield, destroy target nonartifact, nonblack creature.

Evoke {1}{B} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)

When Silverglade Elemental enters the battlefield, you may search your library for a Forest card, put that card onto the battlefield, then shuffle.

Simic Guildgate enters the battlefield tapped.

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

{T}: Add two mana in any combination of colors. Spend this mana only to cast Elemental spells or activate abilities of Elementals.

Whenever a player casts a black spell, you may pay {1}. If you do, target player loses 1 life.

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

{2}: Target creature gains trample until end of turn. If this is the third time this ability has resolved this turn, you may add {R}{R}{R}{R}{R}{R}{R}{R}.

When Spitebellows leaves the battlefield, it deals 6 damage to target creature.

Evoke {1}{R}{R} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)

Stingmoggie enters the battlefield with two +1/+1 counters on it.

{3}{R}, Remove a +1/+1 counter from Stingmoggie: Destroy target artifact or land.

Echo {3}{R} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

When Subterranean Shambler enters or leaves the battlefield, it deals 1 damage to each creature without flying.

{1}{R}, {T}: Sunflare Shaman deals X damage to any target and X damage to itself, where X is the number of Elemental cards in your graveyard.

({T}: Add {B}.)

Swiftwater Cliffs enters the battlefield tapped.

When Swiftwater Cliffs enters the battlefield, you gain 1 life.

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

{T}: Add {C}.

{T}: Add {B} or {G}. Activate only if you control a Swamp.

Whenever Tectonic Giant attacks or becomes the target of a spell an opponent controls, choose one --

• Tectonic Giant deals 3 damage to each opponent.

• Exile the top two cards of your library. Choose one of them. Until the end of your next turn, you may play that card.

Thornwood Falls enters the battlefield tapped.

When Thornwood Falls enters the battlefield, you gain 1 life.

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

When Tornado Elemental enters the battlefield, it deals 6 damage to each creature with flying.

You may have Tornado Elemental assign its combat damage as though it weren't blocked.

Whenever an opponent casts a spell during your turn or when Voice of Resurgence dies, create a green and white Elemental creature token with "This creature's power and toughness are each equal to the number of creatures you control."

{T}: Add {C}.

{1}, {T}, Sacrifice Volatile Fault: Destroy target nonbasic land an opponent controls. That player may search their library for a basic land card, put it onto the battlefield, then shuffle. You create a Treasure token.

Wind-Scarred Crag enters the battlefield tapped.

When Wind-Scarred Crag enters the battlefield, you gain 1 life.

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

Flying

When Wispmare enters the battlefield, destroy target enchantment.

Evoke {W} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)

Vigilance, trample

Converge -- Woodland Wanderer enters the battlefield with a +1/+1 counter on it for each color of mana spent to cast it.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)

Worldsoul Colossus enters the battlefield with X +1/+1 counters on it.

When Yasharn enters the battlefield, search your library for a basic Forest card and a basic Plains card, reveal those cards, put them into your hand, then shuffle.

Players can't pay life or sacrifice nonland permanents to cast spells or activate abilities.