At the beginning of your upkeep, draw a card if you control the creature with the greatest toughness or tied for the greatest toughness.

{T}: Add one mana of any color.

{T}: Add X mana of any one color, where X is the amount of life you gained this turn.

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

Allosaurus Rider's power and toughness are each equal to 1 plus the number of lands you control.

Flash

Deathtouch

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.)

Trample, ward {2}

Ancient Imperiosaur enters the battlefield with two +1/+1 counters on it for each creature that convoked it.

Reach, trample

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom of your library in a random order.)

Cascade, cascade, cascade, cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom of your library in a random order. Multiple instances of cascade each trigger separately.)

Whenever Arashin War Beast deals combat damage to one or more blocking creatures, manifest the top card of your library. (Put it onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.)

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.

Ascendant Packleader enters the battlefield with a +1/+1 counter on it if you control a permanent with mana value 4 or greater.

Whenever you cast a spell with mana value 4 or greater, put a +1/+1 counter on Ascendant Packleader.

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

Deathtouch, haste

Ward--Collect evidence 4. (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player exiles cards with total mana value 4 or greater from their graveyard.)

Enlist (As this creature attacks, you may tap a nonattacking creature you control without summoning sickness. When you do, add its power to this creature's until end of turn.)

Flying

{T}: Add one mana of any color.

Devoid (This card has no color.)

When Blisterpod dies, create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this creature: Add {C}."

Prototype {3}{G} -- 3/3 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.)

When Boulderbranch Golem enters the battlefield, you gain life equal to its power.

Flash

Reach

Flash

When Briarhorn enters the battlefield, target creature gets +3/+3 until end of turn.

Evoke {1}{G} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)

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

When Briarpack Alpha enters the battlefield, target creature gets +2/+2 until end of turn.

When Bronze Walrus enters the battlefield, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

{T}: Add one mana of any color.

{1}{G}, {T}: Counter target activated ability from an artifact source. (Mana abilities can't be targeted.)

Sacrifice Burr Grafter: Target creature gets +2/+2 until end of turn.

Soulshift 3 (When this creature dies, you may return target Spirit card with mana value 3 or less from your graveyard to your hand.)

Flash

When Caller of the Claw enters the battlefield, create a 2/2 green Bear creature token for each nontoken creature put into your graveyard from the battlefield this turn.

When Centaur Nurturer enters the battlefield, you gain 3 life.

{T}: Add one mana of any color.

When Cherished Hatchling dies, you may cast Dinosaur spells this turn as though they had flash, and whenever you cast a Dinosaur spell this turn, it gains "When this creature enters the battlefield, you may have it fight another target creature."

Flash

Reach

When Cloudthresher enters the battlefield, it deals 2 damage to each creature with flying and each player.

Evoke {2}{G}{G} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)

{T}: Add {G}.

Prototype {2}{G} -- 1/3 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.)

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

Cryptic Trilobite enters the battlefield with X +1/+1 counters on it.

Remove a +1/+1 counter from Cryptic Trilobite: Add {C}{C}. Spend this mana only to activate abilities.

{1}, {T}: Put a +1/+1 counter on Cryptic Trilobite.

Cryptolith Fragment enters the battlefield tapped.

{T}: Add one mana of any color. Each player loses 1 life.

At the beginning of your upkeep, if each player has 10 or less life, transform Cryptolith Fragment.

Flying, deathtouch

Whenever Aurora of Emrakul attacks, each opponent loses 3 life.

When Dawnhart Rejuvenator enters the battlefield, you gain 3 life.

{T}: Add one mana of any color.

Deathtouch

{T}: Add one mana of any color.

{T}, Discard your hand, Sacrifice Diamond Lion: Add three mana of any one color. Activate only as an instant.

(Dryad Arbor isn't a spell, it's affected by summoning sickness, and it has "{T}: Add {G}.")

This spell costs {X} less to cast, where X is the total mana value of Dragons you control.

Flying, trample

{2}{G}, Sacrifice a land: Return Earthquake Dragon from your graveyard to your hand.

{T}: Add {G}.

{T}: Add {G}{G}. Spend this mana only to cast kicked spells.

Backup 3 (When this creature enters the battlefield, put three +1/+1 counters on target creature. If that's another creature, it gains the following ability until end of turn.)

Whenever this creature attacks, look at the top X cards of your library, where X is its power. You may put a permanent card with mana value X or less from among them onto the battlefield. Put the rest on the bottom of your library in a random order.

Flash

Reach

When Endurance enters the battlefield, up to one target player puts all the cards from their graveyard on the bottom of their library in a random order.

Evoke--Exile a green card from your hand.

When Fierce Empath enters the battlefield, you may search your library for a creature card with mana value 6 or greater, reveal it, put it into your hand, then shuffle.

Flash

Devour 1 (As this enters the battlefield, you may sacrifice any number of creatures. This creature enters the battlefield with that many +1/+1 counters on it.)

{T}: Add {G}.

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

Reach

When Great Oak Guardian enters the battlefield, creatures target player controls get +2/+2 until end of turn. Untap them.

Flash

Commander creatures you control get +2/+2.

Commanders you control have hexproof.

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.)

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

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

Trample

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

When Haze Frog enters the battlefield, prevent all combat damage that other creatures would deal this turn.

{T}: Add {C}. ({C} represents colorless mana.)

Flash

At the beginning of your upkeep, for each creature you control that's a Wolf or a Werewolf, create a 2/2 green Wolf creature token.

Ward {2}

At the beginning of your precombat main phase, add {G}{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.

Spend only mana produced by basic lands to cast this spell.

Defender

Landfall -- Whenever a land enters the battlefield under your control, you gain 1 life.

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.

When Kozilek's Predator enters the battlefield, create two 0/1 colorless Eldrazi Spawn creature tokens. They have "Sacrifice this creature: Add {C}."

{T}: Add {G}. If you control four or more creatures, add {G}{G} instead.

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

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

Trample

Whenever a player casts a spell, put a +1/+1 counter on Managorger Hydra.

Whenever you cast a spell, Manaplasm gets +X/+X until end of turn, where X is that spell's mana value.

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

Whenever an opponent casts a blue or black spell, you may put a +1/+1 counter on Mold Adder.

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

When Nest Invader enters the battlefield, create a 0/1 colorless Eldrazi Spawn creature token. It has "Sacrifice this creature: Add {C}."

Trample

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

This spell costs {X} less to cast, where X is the total mana value of noncreature enchantments you control.

Trample

{1}{G}, Sacrifice another enchantment: Nyxborn Behemoth gains indestructible until end of turn.

{T}: Add one mana of any color.

{T}, Exert Oasis Ritualist: Add two mana of any one color. (An exerted creature won't untap during your next untap step.)

You don't lose unspent green mana as steps and phases end.

Omnath, Locus of Mana gets +1/+1 for each unspent green mana you have.

{T}: Add one mana of any color.

Flying

{T}: Add one mana of any color.

{G}: Add one mana of any color.

{T}: Add {G}.

As long as Orochi Merge-Keeper is modified, it has "{T}: Add {G}{G}." (Equipment, Auras you control, and counters are modifications.)

Defender

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

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

When Pack Guardian enters the battlefield, you may discard a land card. If you do, create a 2/2 green Wolf creature token.

Snake offering (You may cast this card any time you could cast an instant by sacrificing a Snake and paying the difference in mana costs between this and the sacrificed Snake. Mana cost includes color.)

{T}: Untap all Forests and all green creatures. Activate only once each turn.

Whenever you cast a Spirit or Arcane spell, you may put a ki counter on Petalmane Baku.

{1}, Remove X ki counters from Petalmane Baku: Add X mana of any one color.

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

{T}: Add {C}.

Reach

{T}: Add one mana of any color.

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

Flash

Renata's power is equal to your devotion to green. (Each {G} in the mana costs of permanents you control counts toward your devotion to green.)

Each other creature you control enters the battlefield with an additional +1/+1 counter on it.

{T}: Add {G}.

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

When Saddleback Lagac enters the battlefield, support 2. (Put a +1/+1 counter on each of up to two other target creatures.)

Whenever a creature you control deals combat damage to a player, add that much {G}. Until end of turn, you don't lose this mana as steps and phases end.

At the beginning of your upkeep, add {G}. Until end of turn, you don't lose this mana as steps and phases end.

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

Flash

When Sandstalker Moloch enters the battlefield, if an opponent cast a blue and/or black spell this turn, look at the top four cards of your library. You may reveal a permanent card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Defender

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

{T}: Add {G}. When you spend this mana to cast a Dragon creature spell, you gain 2 life.

Flash

Enrage -- Whenever Snapping Sailback is dealt damage, put a +1/+1 counter on it. (It must survive the damage to get the counter.)

Flash

When Spirit of the Hunt enters the battlefield, each other creature you control that's a Wolf or a Werewolf gets +0/+3 until end of turn.

Flash

Cascade

Reach

When Sweet-Gum Recluse enters the battlefield, put three +1/+1 counters on each of any number of target creatures that entered the battlefield this turn.

Flash

Cascade

Reach

When Sweet-Gum Recluse enters the battlefield, put three +1/+1 counters on each of any number of target creatures that entered the battlefield this turn.

Defender, hexproof

{T}: Add one mana of any color.

{T}: Add {G}.

Tangled Vale enters the battlefield tapped.

{T}: Add {G}.

At the beginning of your end step, if a face-down creature entered the battlefield under your control this turn, put a +1/+1 counter on Tunnel Tipster.

{T}: Add {G}.

Whenever Undercellar Myconid enters the battlefield or dies, create a 1/1 green Saproling creature token.

{T}: Add one mana of any color.

At the beginning of your upkeep, put a spore counter on Utopia Mycon.

Remove three spore counters from Utopia Mycon: Create a 1/1 green Saproling creature token.

Sacrifice a Saproling: Add one mana of any color.

{T}: Add one mana of any color.

Defender (This creature can't attack.)

{T}: Add {G}.

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.

Trample

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

Whenever an opponent taps a land for mana, that land doesn't untap during its controller's next untap step.

Defender

Put a -0/-1 counter on Wall of Roots: Add {G}. Activate only once each turn.

Vigilance

{T}: Add {C}. ({C} represents colorless mana.)

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

You may cast green creature spells as though they had flash.