{T}: Add {C}. {1}{U}, {T}: Put target artifact card from your graveyard on top of your library.

{T}: Add {G}. Channel — {1}{G}, Discard this card: Destroy target artifact, enchantment, or nonbasic land an opponent controls. That player may search their library for a land card with a basic land type, put it onto the battlefield, then shuffle. This ability costs {1} less to activate for each legendary creature you control.

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

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

{T}: Add {C}. {1}, {T}: Untap target land.

This land enters tapped unless you control two or more other lands. {T}: Add {G} or {U}.

{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.

This land enters tapped unless you control a Forest or an Island. {T}: Add {G} or {U}.

({T}: Add {U}.)

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

{T}: Add {C}. {2}, {T}: Choose a color. Add an amount of mana of that color equal to your devotion to that color. (Your devotion to a color is the number of mana symbols of that color in the mana costs of permanents you control.)

{1}, {T}: Add {G}{U}.

{T}: Add one mana of any type that a land you control could produce.

You have no maximum hand size. {T}: Add {C}.

({T}: Add {U}.)

This land enters tapped. When this land enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.) {T}: Add {G} or {U}.

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

As this land enters, you may reveal a Forest or Island card from your hand. If you don't, this land enters tapped. {T}: Add {G} or {U}.

Counter target noncreature spell. Its controller creates two Treasure tokens. (They're artifacts with "{T}, Sacrifice this token: Add one mana of any color.")

Counter target spell.

Counter target instant spell.

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

You may sacrifice a nontoken blue creature rather than pay this spell's mana cost. Counter target spell.

Counter target instant or sorcery spell unless its controller pays {1}. Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

If it's not your turn, you may exile a blue card from your hand rather than pay this spell's mana cost. Counter target noncreature spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.

You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost. Counter target spell.

Counter target spell. At the beginning of your next main phase, add an amount of {C} equal to that spell's mana value.

Counter target spell unless its controller pays {3}.

If an opponent cast three or more spells this turn, you may pay {0} rather than pay this spell's mana cost. Exile any number of target spells.

Counter target spell with mana value 1 or less.

You may exile a blue card from your hand rather than pay this spell's mana cost. Change the target of target spell with a single target.

Choose one — • Counter target multicolored spell. • Destroy target multicolored permanent.

Counter target spell. At the beginning of your next upkeep, pay {3}{U}{U}. If you don't, you lose the game.

Counter target activated or triggered ability. (Mana abilities can't be targeted.)

Counter target enchantment, instant, or sorcery spell. Its controller creates a 2/2 blue Bird creature token with flying.

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.) Counter target activated or triggered ability. If a permanent's ability is countered this way, activated abilities of that permanent can't be activated this turn. (Mana abilities can't be targeted.)

Counter target spell that targets a permanent you control.

Flash As this artifact enters, choose a card name. Spells with the chosen name cost {3} more to cast. Activated abilities of sources with the chosen name can't be activated unless they're mana abilities.

Enchant creature, land, or planeswalker Enchanted permanent is a colorless land with "{T}: Add {C}" and loses all other card types and abilities.

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.) Equip {0}

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control. It can attack and {T} no matter when it came under your control.) Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

This spell can't be countered. Green spells you control can't be countered. {4}{G}{G}: Until end of turn, each Elf creature you control has base power and toughness 5/5 and becomes a Dinosaur in addition to its other creature types.

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

Trample, infect, indestructible If Blightsteel Colossus would be put into a graveyard from anywhere, reveal Blightsteel Colossus and shuffle it into its owner's library instead.

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.

{G}: Regenerate another target Elf. {2}{G}{G}{G}: Elf creatures you control get +3/+3 and gain trample until end of turn.

Shroud (This enchantment can't be the target of spells or abilities.) {X}: Put X tower counters on this enchantment. At the beginning of your upkeep, if there are 100 or more tower counters on this enchantment, you win the game.

Multikicker {1}{G} (You may pay an additional {1}{G} any number of times as you cast this spell.) This creature enters with a +1/+1 counter on it for each time it was kicked. Other Elf creatures you control get +1/+1 for each +1/+1 counter on this creature.

Until end of turn, creatures you control gain trample and get +X/+X, where X is the greatest power among creatures you control.

Untap all permanents you control during each other player's untap step.

{1}: Untap this artifact. {2}, {T}: You gain 1 life. {3}, {T}: Untap target creature. {4}, {T}: Tap target creature. {5}, {T}: Draw a card.

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

This artifact doesn't untap during your untap step. {T}: Add {C}{C}{C}. {3}: Untap this artifact.

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

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

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

Other Elf creatures you control get +1/+1. {T}: Add {G} for each Elf you control.

When this creature enters, you may search your library for an Elf card, reveal it, then shuffle and put that card on top. {T}: Add one mana of any color.

{T}: Add {G}.

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

{T}: Add {G}.

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

{T}: Add {G}.

Whenever another Elf you control enters, put a +1/+1 counter on Marwyn. {T}: Add an amount of {G} equal to Marwyn's power.

This creature 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 {G} for each Elf on the battlefield.

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

{T}: Add {C}. {T}: Add {G} or {U}. This artifact deals 1 damage to you.

This spell costs {X} less to cast, where X is the greatest power among creatures you control. {T}: Add {G}{G}. You gain 2 life. Whenever a nontoken creature you control enters, put a +1/+1 counter on it and draw a card.

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.

Whenever you cast a creature spell, draw a card.

Whenever you cast a creature spell this turn, draw a card.

Draw three cards.

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.