You may spend mana as though it were mana of any color to activate abilities of creatures you control.

Creatures you control with +1/+1 counters on them have all activated abilities of all creature cards exiled with Agatha's Soul Cauldron.

{T}: Exile target card from a graveyard. When a creature card is exiled this way, put a +1/+1 counter on target creature you control.

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.

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.

{T}: Add {G}.

{T}: Add {U}.

Move any number of +1/+1 counters from target creature onto another target creature with the same controller.

Flying

{T}: Add one mana of any color.

{T}: Add {C}.

Botanical Sanctum enters the battlefield tapped unless you control two or fewer other lands.

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

You may exile a green card from your hand rather than pay this spell's mana cost.

Distribute three +1/+1 counters among one, two, or three target creatures. For each +1/+1 counter you put on a creature this way, remove a +1/+1 counter from that creature at the beginning of the next cleanup step.

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

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

Choose one --

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

• Target creature you control fights target creature you don't control. (Each deals damage equal to its power to the other.)

As Cavern of Souls enters the battlefield, choose a creature type.

{T}: Add {C}.

{T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.

Whenever Cephalid Constable deals combat damage to a player, return up to that many target permanents that player controls to their owner's hand.

Creatures with power less than Champion of Lambholt's power can't block creatures you control.

Whenever another creature enters the battlefield under your control, put a +1/+1 counter on Champion of Lambholt.

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.)

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

Imprint -- When Chrome Mox enters the battlefield, you may exile a nonartifact, nonland card from your hand.

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

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

Whenever Copperhorn Scout attacks, untap each other creature you control.

Fabricate 2 (When this creature enters the battlefield, put two +1/+1 counters on it or create two 1/1 colorless Servo artifact creature tokens.)

Whenever Cultivator of Blades attacks, you may have other attacking creatures get +X/+X until end of turn, where X is Cultivator of Blades's power.

Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.)

Creatures you control have "Whenever one or more counters are put on this creature for the first time each turn, draw a card."

{T}: Add {G}.

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

{T}: Add {C}.

{2}, {T}: Put two +1/+1 counters on target non-Human creature that entered the battlefield this turn.

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

Search your library for a creature card with mana value X or less, where X is 2 plus the sacrificed creature's mana value. Put that card onto the battlefield, then shuffle. Exile Eldritch Evolution.

{T}: Add {G}.

Exile Elvish Spirit Guide from your hand: Add {G}.

Whenever one or more other Elves enter the battlefield under your control, create a 1/1 green Elf Warrior creature token. This ability triggers only once each turn.

{5}{G}{G}: Elves you control get +2/+2 and gain deathtouch until end of turn.

When Eternal Witness enters the battlefield, you may return target card from your graveyard to your hand.

Whenever a creature with power 2 or less enters the battlefield under your control, you get an experience counter.

At the beginning of combat on your turn, put X +1/+1 counters on another target creature you control, where X is the number of experience counters you have.

Evolve (Whenever a creature enters the battlefield under your control, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.)

Whenever a +1/+1 counter is put on Fathom Mage, you may draw a card.

{G}, {T}, Discard a creature card: Search your library for a creature card, reveal it, put it into your hand, then shuffle.

If you control a commander, you may cast this spell without paying its mana cost.

Counter target noncreature spell.

Search your library and/or graveyard for a creature card with mana value X or less and put it onto the battlefield. If you search your library this way, shuffle. If X is 10 or more, creatures you control get +X/+X and gain haste until end of turn.

{T}: Add {C}.

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

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

Whenever a player casts a spell, you may put a +1/+1 counter on Forgotten Ancient.

At the beginning of your upkeep, you may move any number of +1/+1 counters from Forgotten Ancient onto other creatures.

{T}: Add {G}.

Whenever Ghostly Pilferer becomes untapped, you may pay {2}. If you do, draw a card.

Whenever an opponent casts a spell from anywhere other than their hand, draw a card.

Discard a card: Ghostly Pilferer can't be blocked this turn.

{2}{G}{U}: Draw a card. You may put a land card from your hand onto the battlefield.

Evolve (Whenever a creature enters the battlefield under your control, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.)

{T}: Add {G} for each +1/+1 counter on Gyre Sage.

Whenever a player casts a noncreature spell, each of that player's opponents may draw a card.

Tap three untapped Elves you control: Add {G}{G}{G}.

Permanents you control gain hexproof and indestructible until end of turn.

Hinterland Harbor enters the battlefield tapped unless you control a Forest or an Island.

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

{T}: Put a +1/+1 counter on target creature for each Elf you control.

{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.)

Skulk (This creature can't be blocked by creatures with greater power.)

Ingenious Prodigy enters the battlefield with X +1/+1 counters on it.

At the beginning of your upkeep, if Ingenious Prodigy has one or more +1/+1 counters on it, you may remove a +1/+1 counter from it. If you do, draw a card.

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

{T}, Sacrifice Jeweled Lotus: Add three mana of any one color. Spend this mana only to cast your commander.

Negative -- As long as K-9, Mark I is untapped, other legendary creatures you control have ward {1}.

Affirmative -- {1}{U}, {T}: Target legendary creature can't be blocked this turn.

Doctor's companion (You can have two commanders if the other is the Doctor.)

If one or more +1/+1 counters would be put on a permanent you control, that many plus one +1/+1 counters are put on that permanent instead.

{T}: Add X mana of any one color, where X is Kami of Whispered Hopes's power.

Whenever you tap a nonland permanent for mana, add one mana of any type that permanent produced.

{5}{G}{U}: Look at the top five cards of your library. You may put a non-Human creature card from among them onto the battlefield. Put the rest on the bottom of your library in a random order.

Reach

Modified creatures you control have trample. (Equipment, Auras you control, and counters are modifications.)

Whenever a modified creature you control deals combat damage to a player, search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

{T}: Add {G}.

At the beginning of your upkeep, flip a coin. If you lose the flip, Mana Crypt deals 3 damage to you.

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

Whenever another Elf enters the battlefield under your control, put a +1/+1 counter on Marwyn, the Nurturer.

{T}: Add an amount of {G} equal to Marwyn's power.

Changeling (This card is every creature type.)

When Masked Vandal enters the battlefield, you may exile a creature card from your graveyard. If you do, exile target artifact or enchantment an opponent controls.

Flying

Whenever another Spirit enters the battlefield under your control, Mausoleum Wanderer gets +1/+1 until end of turn.

Sacrifice Mausoleum Wanderer: Counter target instant or sorcery spell unless its controller pays {X}, where X is Mausoleum Wanderer's power.

{T}, Pay 1 life, Sacrifice Misty Rainforest: Search your library for a Forest or Island card, put it onto the battlefield, then shuffle.

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

Search your library for a creature card with mana value equal to 1 plus the sacrificed creature's mana value, put that card onto the battlefield with an additional +1/+1 counter on it, then shuffle.

{T}: Add {C}.

{1}, {T}: Move a counter from target permanent you control onto another target permanent. Activate only as a sorcery.

+2: Create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life.")

+1: Target artifact or creature loses all abilities and becomes a green Elk creature with base power and toughness 3/3.

-5: Exchange control of target artifact or creature you control and target creature an opponent controls with power 3 or less.

{1}, Sacrifice Outland Liberator: Destroy target artifact or enchantment.

Daybound (If a player casts no spells during their own turn, it becomes night next turn.)

{1}, Sacrifice Frenzied Trapbreaker: Destroy target artifact or enchantment.

Whenever Frenzied Trapbreaker attacks, destroy target artifact or enchantment defending player controls.

Nightbound (If a player casts at least two spells during their own turn, it becomes day next turn.)

{T}: Add {G} for each Elf on the battlefield.

Destroy target creature. It can't be regenerated. That creature's controller creates a 3/3 green Frog Lizard creature token.

Rejuvenating Springs enters the battlefield tapped unless you have two or more opponents.

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

{T}: Add one mana of any color.

Tap an untapped legendary creature you control: Add one mana of any color.

When Rishkar, Peema Renegade enters the battlefield, put a +1/+1 counter on each of up to two target creatures.

Each creature you control with a counter on it has "{T}: Add {G}."

Whenever you cast a creature spell with mana value 5 or greater, that creature enters the battlefield with X additional +1/+1 counters on it, where X is its mana value minus 4.

Creatures you control with three or more +1/+1 counters on them have haste.

{T}: Add {G}.

Whenever an opponent activates an ability of a creature or land that isn't a mana ability, you may draw a card.

Heroic -- Whenever you cast a spell that targets Sage of Hours, put a +1/+1 counter on it.

Remove all +1/+1 counters from Sage of Hours: For each five counters removed this way, take an extra turn after this one.

Sacrifice Sakura-Tribe Elder: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

{G}: Exile target card from a graveyard. If it was a creature card, put a +1/+1 counter on Scavenging Ooze and you gain 1 life.

Flying

{U}, Sacrifice Siren Stormtamer: Counter target spell or ability that targets you or a creature you control.

Put a +1/+1 counter on target creature you control. It gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)

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

{U/P}: Change a target of target spell or ability to Spellskite. ({U/P} can be paid with either {U} or 2 life.)

{T}, Tap an untapped creature you control: Add one mana of any color.

Return two target creatures to their owners' hands.

Wizardcycling {2} ({2}, Discard this card: Search your library for a Wizard card, reveal it, put it into your hand, then shuffle.)

Choose an opponent. You and that player each create an X/X green Treefolk creature token.

Choose an opponent. You and that player each create X 1/1 green Elf Warrior creature tokens.

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.

Look at the top seven cards of your library. You may put a creature card from among them onto the battlefield. If that card has mana value 3 or less, it enters with three additional +1/+1 counters on it. Put the rest on the bottom of your library in a random order.

As Turntimber, Serpentine Wood enters the battlefield, you may pay 3 life. If you don't, it enters the battlefield tapped.

{T}: Add {G}.

Flash (You may cast this spell any time you could cast an instant.)

When Vedalken Aethermage enters the battlefield, return target Sliver to its owner's hand.

Wizardcycling {3} ({3}, Discard this card: Search your library for a Wizard card, reveal it, put it into your hand, then shuffle.)

Graft 2 (This creature enters the battlefield with two +1/+1 counters on it. Whenever another creature enters the battlefield, you may move a +1/+1 counter from this creature onto it.)

{1}{U}: Untap target creature with a +1/+1 counter on it.

Trample, haste

If you would put one or more counters on a permanent or player, put twice that many of each of those kinds of counters on that permanent or player instead.

If an opponent would put one or more counters on a permanent or player, they put half that many of each of those kinds of counters on that permanent or player instead, rounded down.

Walking Ballista enters the battlefield with X +1/+1 counters on it.

{4}: Put a +1/+1 counter on Walking Ballista.

Remove a +1/+1 counter from Walking Ballista: It deals 1 damage to any target.

{T}, Pay 1 life: Add {G} or {U}.

{1}, {T}, Sacrifice Waterlogged Grove: Draw a card.

{T}: Add X mana of any one color, where X is the number of Elves on the battlefield.

Return an Elf you control to its owner's hand: Untap target creature. Activate only once each turn.

{T}: Add {C}.

{T}: Add {G} or {U}. Yavimaya Coast deals 1 damage to you.