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.

Whenever a permanent enters the battlefield tapped and under your control, untap it.

Enchant creature

Enchanted creature gets +2/+2 for each other enchantment on the battlefield.

{T}: Add {C}{C}. Ancient Tomb deals 2 damage to you.

{T}: Untap target Forest.

Flying

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

Whenever you gain life, put a +1/+1 counter on each creature you control.

Flying, vigilance, trample

As Archon of Valor's Reach enters the battlefield, choose artifact, enchantment, instant, sorcery, or planeswalker.

Players can't cast spells of the chosen type.

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

Arctic Treeline enters the battlefield tapped.

Shroud (This creature can't be the target of spells or abilities.)

Whenever you cast an enchantment spell, draw a card.

Whenever a creature enters the battlefield under your control, you may destroy target artifact or enchantment.

Artifact and enchantment spells your opponents cast cost {2} more to cast.

Sacrifice Aura of Silence: Destroy target artifact or enchantment.

{T}: Add {W}.

Flash

Flying

If an opponent would search a library, that player searches the top four cards of that library instead.

Whenever you cast a creature spell, draw a card.

Destroy target permanent. Its controller creates a 3/3 green Beast creature token.

Flying

{T}: Add one mana of any color.

Bountiful Promenade enters the battlefield tapped unless you have two or more opponents.

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

{T}: Add {G}.

{T}: Add {W}.

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

Canopy Vista enters the battlefield tapped unless you control two or more basic lands.

Activated abilities of artifacts can't be activated.

Your opponents can't cast spells from anywhere other than their hands.

Search your library for a creature card, reveal that card, put it into your hand, then shuffle.

This spell costs {1} less to cast for each card type among cards in your graveyard.

When you cast this spell, you gain control of target opponent during that player's next turn. After that turn, that player takes an extra turn.

Flying, trample, protection from instants

Whenever you cast an enchantment spell, draw a card.

Search your library for an artifact or enchantment card, reveal it, then shuffle and put that card on top.

Whenever an opponent casts their first noncreature spell each turn, draw a card unless that player pays {X}, where X is Esper Sentinel's power.

Search your library for a Plains, Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.

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 {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}.)

({T}: Add {G}.)

Noncreature spells with mana value 4 or greater can't be cast.

Noncreature spells with {X} in their mana costs can't be cast.

Destroy target permanent. Its controller creates a 3/3 green Elephant creature token.

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

Search your library for a green creature card with mana value X or less, put it onto the battlefield, then shuffle. Shuffle Green Sun's Zenith into its owner's library.

{T}: Add {C}.

{1}{W}, {T}: Put target enchantment card from your graveyard on top of your library.

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

Choose one --

• Destroy X target artifacts and/or enchantments.

• Target player gains twice X life.

Indestructible

As long as your devotion to white is less than five, Heliod isn't a creature.

Whenever you gain life, put a +1/+1 counter on target creature or enchantment you control.

{1}{W}: Another target creature gains lifelink until end of turn.

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

{1}, {T}, Sacrifice Horizon Canopy: Draw a card.

Search your library for an enchantment card, reveal it, put it into your hand, then shuffle.

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

Indestructible

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

Whenever you cast a creature spell, you may search your library for a Forest or Plains card, put it onto the battlefield tapped, then shuffle.

All artifacts have "At the beginning of your upkeep, sacrifice this artifact unless you pay {1}."

When Knight of Autumn enters the battlefield, choose one --

• Put two +1/+1 counters on Knight of Autumn.

• Destroy target artifact or enchantment.

• You gain 4 life.

Knight of the Reliquary gets +1/+1 for each land card in your graveyard.

{T}, Sacrifice a Forest or Plains: Search your library for a land card, put it onto the battlefield, then shuffle.

When you cast this spell, draw four cards.

Annihilator 4 (Whenever this creature attacks, defending player sacrifices four permanents.)

When Kozilek, Butcher of Truth is put into a graveyard from anywhere, its owner shuffles their graveyard into their library.

Landfall -- Whenever a land enters the battlefield under your control, add one mana of any color.

When Nissa, Vastwood Seer enters the battlefield, you may search your library for a basic Forest card, reveal it, put it into your hand, then shuffle.

Whenever a land enters the battlefield under your control, if you control seven or more lands, exile Nissa, then return her to the battlefield transformed under her owner's control.

+1: Reveal the top card of your library. If it's a land card, put it onto the battlefield. Otherwise, put it into your hand.

-2: Create Ashaya, the Awoken World, a legendary 4/4 green Elemental creature token.

-7: Untap up to six target lands. They become 6/6 Elemental creatures. They're still lands.

When you cast this spell, target opponent exiles the top four cards of their library, then you may put any number of land cards that player owns from exile onto the battlefield under your control.

Oran-Rief, the Vastwood enters the battlefield tapped.

{T}: Add {G}.

{T}: Put a +1/+1 counter on each green creature that entered the battlefield this turn.

Flying

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

{T}, Pay 1 life, Sacrifice Prismatic Vista: Search your library for a basic land card, put it onto the battlefield, then shuffle.

When Ranger-Captain of Eos enters the battlefield, you may search your library for a creature card with mana value 1 or less, reveal it, put it into your hand, then shuffle.

Sacrifice Ranger-Captain of Eos: Your opponents can't cast noncreature spells this turn.

{T}: Add {C}.

As long as Riftstone Portal is in your graveyard, lands you control have "{T}: Add {G} or {W}."

Whenever a creature or enchantment enters the battlefield under your control this turn, draw a card.

Flashback {2}{G}{W} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Protection from black and from red

When Sanctifier en-Vec enters the battlefield, exile all cards that are black or red from all graveyards.

If a black or red permanent, spell, or card not on the battlefield would be put into a graveyard, exile it instead.

{T}: Add X mana of any one color, where X is the number of enchantments you control.

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

Flying

You, planeswalkers you control, and other creatures you control have hexproof.

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

Flying, hexproof

Spells and abilities your opponents control can't cause you to sacrifice permanents.

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

Flash

Lifelink

When Solitude enters the battlefield, exile up to one other target creature. That creature's controller gains life equal to its power.

Evoke--Exile a white card from your hand.

Reach, trample, protection from multicolored

Stonecoil Serpent enters the battlefield with X +1/+1 counters on it.

Sunpetal Grove enters the battlefield tapped unless you control a Forest or a Plains.

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

Whenever you cast an enchantment spell, you gain 1 life and draw a card.

Until your next turn, your life total can't change and you gain protection from everything. All permanents you control phase out. (While they're phased out, they're treated as though they don't exist. They phase in before you untap during your untap step.)

Exile Teferi's Protection.

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

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

{T}: Add {C}.

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

First strike

Noncreature spells cost {1} more to cast.

First strike

Creatures and nonbasic lands your opponents control enter the battlefield tapped.

Noncreature spells cost {1} more to cast.

Search your library for a Forest card, put it onto the battlefield, then shuffle.

Landfall -- Whenever a land enters the battlefield under your control, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")

Whenever you sacrifice a Clue, put a +1/+1 counter on Tireless Tracker.

When you cast this spell, exile two target permanents.

Indestructible

Whenever Ulamog, the Ceaseless Hunger attacks, defending player exiles the top twenty cards of their library.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)

I -- Urza's Saga gains "{T}: Add {C}."

II -- Urza's Saga gains "{2}, {T}: Create a 0/0 colorless Construct artifact creature token with 'This creature gets +1/+1 for each artifact you control.'"

III -- Search your library for an artifact card with mana cost {0} or {1}, put it onto the battlefield, then shuffle.

You may look at the top card of your library any time.

You may cast creature spells from the top of your library.

You may spend mana as though it were mana of any type to cast creature spells.

Your opponents can't cast spells with even mana values. (Zero is even.)

Your opponents can't block with creatures with even mana values.

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.

Enchant land

Whenever enchanted land is tapped for mana, its controller adds an additional {G}.

{T}: Add {C}.

{2}, {T}: You may cast creature spells this turn as though they had flash.

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

When Wood Elves enters the battlefield, search your library for a Forest card, put that card onto the battlefield, then shuffle.

Search your library for a creature card, reveal it, then shuffle and put the card on top.