Whenever an opponent casts a creature spell, Aether Sting deals 1 damage to that player.

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

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

Armored Scrapgorger gets +3/+0 as long as it has three or more oil counters on it.

{T}: Add one mana of any color.

Whenever Armored Scrapgorger becomes tapped, exile target card from a graveyard and put an oil counter on Armored Scrapgorger.

Counter target instant or Aura spell that targets a permanent you control.

(Gain the next level as a sorcery to add its ability.)

Legendary creatures you control enter the battlefield with an additional +1/+1 counter on them.

{R}{G}: Level 2

Legendary spells you cast cost {R}{G} less to cast. This effect reduces only the amount of colored mana you pay.

{3}{R}{G}: Level 3

Whenever you cast a legendary spell, exile the top two cards of your library. You may play them this turn.

Whenever a creature blocks, Battle Strain deals 1 damage to that creature's controller.

At the beginning of each player's postcombat main phase, that player adds {C}{C} for each of your opponents who lost life this turn. (Damage causes loss of life.)

Each player separates all nontoken lands they control into two piles. For each player, one of their piles is chosen by one of their opponents of their choice. Destroy all lands in the chosen piles. Tap all lands in the other piles.

Enchant artifact or land

Enchanted permanent has "{T}: Target player adds two mana of any one color. The next spell they cast this turn has cascade." (When they cast their next spell, they exile cards from the top of their library until they exile a nonland card that costs less. They may cast it without paying its mana cost. They put the exiled cards on the bottom in a random order.)

{T}: For each color among permanents you control, add one mana of that color.

Destroy target land that is snow or could produce {C}.

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

Whenever a player taps a nonbasic land for mana, Burning Earth deals 1 damage to that player.

At the beginning of your upkeep, the Ring tempts you.

Whenever you choose a creature as your Ring-bearer, you may pay 2 life. If you do, draw a card.

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

Canyon Slough enters the battlefield tapped.

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

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

Cinder Glade enters the battlefield tapped unless you control two or more basic lands.

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

At the beginning of your end step, draw a card if your life total is greater than your starting life total. Otherwise, you gain 2 life.

Choose a permanent type. Return all cards of the chosen type from your graveyard to your hand.

Flashback {5}{G}{G} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

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.

{T}: Exile target land card from a graveyard. Add one mana of any color.

{B}, {T}: Exile target instant or sorcery card from a graveyard. Each opponent loses 2 life.

{G}, {T}: Exile target creature card from a graveyard. You gain 2 life.

At the beginning of each end step, each player who tapped a land for mana this turn sacrifices a land. Desolation deals 2 damage to each player who sacrificed a Plains this way.

Creature and enchantment spells you control can't be countered.

{3}{G}: Target land you control becomes an X/X Elemental creature with trample and haste until end of turn, where X is the number of enchantments you control. It's still a land.

Whenever a land is put into a graveyard from the battlefield, Dingus Egg deals 2 damage to that land's controller.

Dragonskull Summit enters the battlefield tapped unless you control a Swamp or a Mountain.

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

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

As Foreboding Ruins enters the battlefield, you may reveal a Swamp or Mountain card from your hand. If you don't, Foreboding Ruins enters the battlefield tapped.

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

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

As Game Trail enters the battlefield, you may reveal a Mountain or Forest card from your hand. If you don't, Game Trail enters the battlefield tapped.

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

Counter target blue instant spell.

Draw three cards.

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)

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

{T}: Add one mana of any color. If you control a creature with power 4 or greater, add two mana of any one color instead.

Change the target of target spell with a single target. You lose life equal to that spell's mana value.

At the beginning of your upkeep, if there are seven or more lands on the battlefield, sacrifice Impending Disaster and destroy all lands.

{T}: Add one mana of any type that a land you control could produce. If Incubation Druid has a +1/+1 counter on it, add three mana of that type instead.

{3}{G}{G}: Adapt 3. (If this creature has no +1/+1 counters on it, put three +1/+1 counters on it.)

{T}: Add one mana of any color.

{2}: Exile target card from a graveyard.

You may cast Dinosaur creature spells from among cards you own exiled with Intrepid Paleontologist. If you cast a spell this way, that creature enters the battlefield with a finality counter on it. (If a creature with a finality counter on it would die, exile it instead.)

Indestructible

As long as your devotion to red and green is less than seven, Klothys isn't a creature.

At the beginning of your precombat main phase, exile target card from a graveyard. If it was a land card, add {R} or {G}. Otherwise, you gain 2 life and Klothys deals 2 damage to each opponent.

Lavaclaw Reaches enters the battlefield tapped.

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

{1}{B}{R}: Until end of turn, Lavaclaw Reaches becomes a 2/2 black and red Elemental creature with "{X}: This creature gets +X/+0 until end of turn." It's still a land.

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

Whenever you tap a creature for mana, add an additional {G}.

{6}{G}{G}: Put a +1/+1 counter on each creature you control.

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

Equip {0}

Whenever a player taps a land for mana, that player adds one mana of any type that land produced.

Whenever a player taps a land for mana, Manabarbs deals 1 damage to that player.

{T}: Add {C}.

{1}, {T}, Sacrifice Mind Stone: Draw a card.

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

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.

Trample

If a red source you control would deal an amount of noncombat damage less than Ojer Axonil's power to an opponent, that source deals damage equal to Ojer Axonil's power instead.

When Ojer Axonil dies, return it to the battlefield tapped and transformed under its owner's control.

(Transforms from Ojer Axonil, Deepest Might.)

{T}: Add {R}.

{2}{R}, {T}: Transform Temple of Power. Activate only if red sources you controlled dealt 4 or more noncombat damage this turn and only as a sorcery.

{T}: Add {C}.

{5}, {T}, Exile Ominous Cemetery: Target creature's owner shuffles it into their library.

Whenever a player taps a land for mana, that player adds one mana of any type that land produced, and Overabundance deals 1 damage to the player.

At the beginning of your upkeep, if you have four or more creature cards in your graveyard, you may return target creature card from your graveyard to your hand.

Paradise Druid has hexproof as long as it's untapped. (It can't be the target of spells or abilities your opponents control.)

{T}: Add one mana of any color.

{T}: Add one mana of any color.

{1}, {T}: Untap target legendary creature you control.

Reach

{T}: Add one mana of any color.

{2}: Poison Dart Frog gains deathtouch until end of turn.

Whenever a player taps a land for mana, if it's not that player's turn, destroy that land.

Choose one --

• Counter target spell if it's blue.

• Destroy target permanent if it's blue.

Whenever a creature you control becomes tapped, you may put a quest counter on Quest for Renewal.

As long as there are four or more quest counters on Quest for Renewal, untap all creatures you control during each other player's untap step.

Each creature you control with a mana ability gets +2/+2.

Whenever a creature you control with a mana ability attacks, untap it.

Whenever you cast a spell, if at least seven mana was spent to cast it, untap target creature. It gets +7/+7 and gains trample until end of turn.

Return up to X target cards from your graveyard to your hand, where X is the number of black permanents target opponent controls as you cast this spell.

Choose one --

• Counter target blue spell.

• Destroy target blue permanent.

If an opponent cast a blue spell this turn, you may pay {R} rather than pay this spell's mana cost.

Change the target of target spell with a single target.

Rootbound Crag enters the battlefield tapped unless you control a Mountain or a Forest.

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

{T}: You may put a land card from your hand onto the battlefield.

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

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

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

Sheltered Thicket enters the battlefield tapped.

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

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

Smoldering Marsh enters the battlefield tapped unless you control two or more basic lands.

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

Storm's Wrath deals 4 damage to each creature and each planeswalker.

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

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

Equip {1}

Counter target spell. Choose 1, 2, or 3 at random. Its controller mills that many cards, then exiles cards from the top of their library until they exile a nonland card with a different name than that spell. They may cast that card without paying its mana cost. Then they put the exiled cards on the bottom of their library in a random order.

Tome of Legends enters the battlefield with a page counter on it.

Whenever your commander enters the battlefield or attacks, put a page counter on Tome of Legends.

{1}, {T}, Remove a page counter from Tome of Legends: Draw a card.

Treacherous Terrain deals damage to each opponent equal to the number of lands that player controls.

Basic landcycling {2} ({2}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

{T}: Add {C}.

{2}, {T}: Target legendary creature becomes a God in addition to its other types. Put a +1/+1 counter on it.

{4}, {T}, Sacrifice Tyrite Sanctum: Put an indestructible counter on target God.

Equipped creature has "{3}, {Q}: This creature gets +2/+2 until end of turn." ({Q} is the untap symbol.)

Equip {0}

{T}, Sacrifice a Mountain: Valleymaker deals 3 damage to target creature.

{T}, Sacrifice a Forest: Choose a player. That player adds {G}{G}{G}.

Destroy target artifact you don't control.

Overload {4}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Draw a card if an opponent has cast a blue or black spell this turn. Spells you control can't be countered this turn. You and permanents you control gain hexproof from blue and from black until end of turn. (You and they can't be the targets of blue or black spells or abilities your opponents control.)

Untap Victory Chimes during each other player's untap step.

{T}: A player of your choice adds {C}.

{T}: Add {C}.

{3}, {T}, Pay life equal to the number of colors in your commanders' color identity: Draw a card.

(Gain the next level as a sorcery to add its ability.)

At the beginning of your end step, if a creature died this turn, each opponent loses 1 life.

{1}{B}: Level 2

When this Class becomes level 2, look at the top three cards of your library. Put one of them into your hand and the rest into your graveyard.

{6}{B}: Level 3

At the beginning of your end step, each opponent loses life equal to the life they lost this turn. (Damage causes loss of life.)

As an additional cost to cast this spell, pay 3 life.

Counter target creature spell.

At the beginning of each end step, each opponent loses life equal to the life they lost this turn. (Damage causes loss of life.)

Vigilance

A player losing unspent mana causes that player to lose that much life.

{1}, {T}: Each player adds {B}{R}{G}.