Gain control of target creature with mana value X or less. If X is 5 or more, create a token that's a copy of that creature.

Choose one — • Target creature gets -X/-X until end of turn. You gain X life. • Exile up to twice X target cards from graveyards.

X can't be 0. Target spell's controller exiles it with X delay counters on it. At the beginning of each of that player's upkeeps, if that card is exiled, remove a delay counter from it. If the card has no delay counters on it, the player puts it onto the stack as a copy of the original spell.

Vigilance Hydra spells you cast cost {4} less to cast. Whenever a creature you control becomes the target of a spell, Gargos fights up to one target creature you don't control.

Destroy target creature with power X or less.

For each creature, its controller sacrifices it unless they pay X life.

Destroy up to X target artifacts and/or enchantments. Create twice X 1/1 black and green Pest creature tokens with "When this token dies, you gain 1 life."

This creature enters with X +1/+1 counters on it. {2}{G}, Remove a +1/+1 counter from this creature: Destroy target artifact or enchantment.

This creature enters with X +1/+1 counters on it. {2}: Put a +1/+1 counter on this creature, then you may reselect which player this creature is attacking. Only the player this creature is attacking may activate this ability and only during the declare attackers step. (It can't attack its controller.)

When this enchantment enters, you become the monarch. At the beginning of your upkeep, distribute two +1/+1 counters among up to two target creatures. Then if you're the monarch, double the number of +1/+1 counters on each creature you control.

This creature enters with X +1/+1 counters on it. {3}: Put a +1/+1 counter on this creature. Any player may activate this ability.

This creature enters with X +1/+1 counters on it. This creature can't be blocked by more than one creature. Whenever this creature is dealt damage, put that many +1/+1 counters on it. (It must survive the damage to get the counters.)

Enchant creature When this Aura enters, put a +1/+1 counter on enchanted creature. At the beginning of your upkeep, double the number of +1/+1 counters on enchanted creature.

(Gain the next level as a sorcery to add its ability.) At the beginning of combat on your turn, put a +1/+1 counter on target creature you control. {G}: Level 2 Permanents you control with counters on them have ward {1}. {3}{G}: Level 3 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.

Trample This creature enters with four +1/+1 counters on it. Whenever this creature attacks, double the number of +1/+1 counters on each creature you control.

As this creature enters, roll X d6. It enters with a number of +1/+1 counters on it equal to the total of those results. Trample Ward {4} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {4}.)

Bestow {X}{G}{G} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached.) Reach, trample This permanent enters with X +1/+1 counters on it. Enchanted creature gets +1/+1 for each +1/+1 counter on this Aura and has reach and trample.

This creature enters with X +1/+1 counters on it. At the beginning of your upkeep, double the number of +1/+1 counters on this creature. This creature has trample as long as it has ten or more +1/+1 counters on it.

Reach, trample, protection from multicolored This creature enters with X +1/+1 counters on it.

Trample Other creatures you control have trample. Whenever another nontoken creature you control enters, put a +1/+1 counter on it. It gains haste until end of turn.

{T}: Add {C}{C}. This land deals 2 damage to you.

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

({T}: Add {G} or {U}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

This land enters tapped unless you control a Forest. {T}: Add {G}. {2}{G}{G}, {T}: Add six {G}. Spend this mana only to cast creature spells or activate abilities of creatures.

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

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

({T}: Add {G}.)

{T}: Add {G} for each creature you control.

({T}: Add {U}.)

If you control two or more other lands, this land enters tapped. {T}: Add {G}. {X}{G}: Until end of turn, this land becomes an X/X green Hydra creature. It's still a land. X can't be 0.

This land enters tapped. {T}: Add {B}, {G}, or {U}.

({T}: Add {B}.)

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

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

This land enters tapped unless you have two or more opponents. {T}: Add {B} or {G}.

Each land is a Swamp in addition to its other land types.

Each land is a Forest in addition to its other land types.

Draw X cards. If X is 10 or more, instead shuffle your graveyard into your library, draw X cards, untap up to five lands, and you have no maximum hand size for the rest of the game. Exile Finale of Revelation.

When you cast this spell, reveal the top X cards of your library. You may put a nonland permanent card with mana value X or less from among them onto the battlefield. Then shuffle the rest into your library. This creature enters with X +1/+1 counters on it.

Deathtouch You may look at the top card of your library any time. You may play lands and cast spells with mana value 4 or greater from the top of your library. {T}: Surveil 2.

When you cast this spell, you gain half X life and draw half X cards. Round down each time. Flying, trample This creature enters with X +1/+1 counters on it.

If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead. If an effect would put one or more counters on a permanent you control, it puts twice that many of those counters on that permanent instead.

Cast this spell only during the declare blockers step. X target attacking creatures become blocked. Choking Vines deals 1 damage to each of those creatures. (This spell works on creatures that can't be blocked.)

This spell can't be countered. Haste, protection from blue This creature enters with X +1/+1 counters on it.

Each opponent loses X life. You gain life equal to the life lost this way.

Reveal the top X cards of your library. Put all land cards from among them onto the battlefield tapped and the rest on the bottom of your library in a random order. Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, untap those lands.

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

Create X 1/1 green Forest Dryad land creature tokens. (They're affected by summoning sickness.)

Flying {T}: Add one mana of any color.

As this artifact enters, choose a color. Creatures you control of the chosen color get +1/+1. Whenever a land's ability causes you to add one or more mana of the chosen color, add one additional mana of that color.

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

{T}: Add {G} for each creature you control.

Converge — This creature enters with a +1/+1 counter on it for each color of mana spent to cast it. Remove a +1/+1 counter from this creature: Add one mana of any color. {T}: Put a +1/+1 counter on this creature.

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.

{3}, {T}: Double the amount of each type of unspent mana you have.

You may play an additional land on each of your turns. Lands you control are every basic land type in addition to their other types.

Whenever you cast a spell with {X} in its mana cost, put two charge counters on this artifact. {T}: Add one mana of any color. {T}: Add {C} for each charge counter on this artifact. Spend this mana only on costs that contain {X}.

You may play an additional land on each of your turns.

+1: Untap two target lands. −1: Create a 3/3 green Beast creature token. −4: Creatures you control get +3/+3 and gain trample until end of turn.

Vigilance, trample, haste This creature enters with X +1/+1 counters on it. When this creature dies, create a number of tapped Treasure tokens equal to its power.

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.

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.

If you tap a permanent for mana, it produces twice as much of that mana instead.

Whenever you tap a Forest for mana, add an additional {G}. +1: Put three +1/+1 counters on up to one target noncreature land you control. Untap it. It becomes a 0/0 Elemental creature with vigilance and haste that's still a land. −8: You get an emblem with "Lands you control have indestructible." Search your library for any number of Forest cards, put them onto the battlefield tapped, then shuffle.

Trample If you tap a permanent for mana, it produces three times as much of that mana instead.

X can't be greater than the number of players in the game. Reveal cards from the top of your library until you reveal X land cards. Put those land cards onto the battlefield tapped and the rest on the bottom of your library in a random order.

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

Ravenous (This creature enters with X +1/+1 counters on it. If X is 5 or more, draw a card when it enters.) Defender Spore Chimney — When this creature enters, search your library for up to X basic land cards, put them onto the battlefield tapped, then shuffle.

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

Reach Ulvenwald Hydra's power and toughness are each equal to the number of lands you control. When this creature enters, you may search your library for a land card, put it onto the battlefield tapped, then shuffle.

Whenever you cast a permanent spell with a mana cost that contains {X}, double the value of X. Whenever you cast an instant or sorcery spell or activate an ability, if that spell's mana cost or that ability's activation cost contains {X}, copy that spell or ability. You may choose new targets for the copy.