{R}: You may put a creature card from your hand onto the battlefield. That creature gains haste. Sacrifice the creature at the beginning of the next end step.

Target creature gains double strike until end of turn.

Ferocious — That creature also gains trample until end of turn if you control a creature with power 4 or greater.

When Thopter Engineer enters the battlefield, create a 1/1 colorless Thopter artifact creature token with flying.

Artifact creatures you control have haste. (They can attack and {T} as soon as they come under your control.)

As an additional cost to cast this spell, sacrifice an artifact.

Return target artifact card from your graveyard to the battlefield.

Haste

When Tuktuk the Explorer dies, create Tuktuk the Returned, a legendary 5/5 colorless Goblin Golem artifact creature token.

Target creature you control gets +1/+0 and gains first strike until end of turn.

Overload {1}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Look at the top five cards of your library. You may reveal a colorless card from among them and put it into your hand. Then put the rest on the bottom of your library in any order.

When Avenger of Zendikar enters the battlefield, create a 0/1 green Plant creature token for each land you control.

Landfall — Whenever a land enters the battlefield under your control, you may put a +1/+1 counter on each Plant creature you control.

At the beginning of your upkeep, you may create a 0/1 colorless Eldrazi Spawn creature token. It has "Sacrifice this creature: Add {C}."

Whenever you sacrifice another permanent, put a +1/+1 counter on Bloodbriar.

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.)

Each other creature you control enters the battlefield with an additional X +1/+1 counters on it, where X is the number of +1/+1 counters on Bloodspore Thrinax.

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.

Create a 1/1 green Squirrel creature token.

Flashback {1}{G} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

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.

Target creature you control gets +1/+1 until end of turn. It deals damage equal to its power to target creature you don't control.

When Conclave Naturalists enters the battlefield, you may destroy target artifact or enchantment.

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

Search your library for a land card, put that card onto the battlefield, then shuffle.

Choose one —

• Destroy target creature with flying.

• Destroy target artifact.

{1}{G}: Death-Hood Cobra gains reach until end of turn.

{1}{G}: Death-Hood Cobra gains deathtouch until end of turn.

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.

{T}: Add {G}{G}{G}.

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

Target creature gets +7/+7 and gains trample until end of turn. It must be blocked this turn if able. (A creature with trample can deal excess combat damage to the player or planeswalker it's attacking.)

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

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.

Create X X/X green Ooze creature tokens.

Sacrifice a creature: Draw cards equal to the sacrificed creature's power, then discard three cards.

Whenever a player taps a land for mana, that player adds one mana of any type that land produced.

If you control a Forest, rather than pay this spell's mana cost, you may have an opponent gain 3 life.

Target creature gets +4/+4 until end of turn.

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

Trample

Whenever Liege of the Tangle deals combat damage to a player, you may choose any number of target lands you control and put an awakening counter on each of them. Each of those lands is an 8/8 green Elemental creature for as long as it has an awakening counter on it. They're still lands.

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

Target creature gets +1/+1 until end of turn for each creature you control.

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)

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

When Reclamation Sage enters the battlefield, you may destroy target artifact or enchantment.

Draw a card for each creature you control.

Ferocious — You gain 4 life for each creature you control with power 4 or greater.

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.)

When Skullmulcher enters the battlefield, draw a card for each creature it devoured.

Target creature gets +2/+2 and gains trample until end of turn.

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

When Terastodon enters the battlefield, you may destroy up to three target noncreature permanents. For each permanent put into a graveyard this way, its controller creates a 3/3 green Elephant creature token.

When Thragtusk enters the battlefield, you gain 5 life.

When Thragtusk leaves the battlefield, create a 3/3 green Beast creature token.

Whenever a nontoken creature you control dies, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")

Whenever you sacrifice a Clue, create a 1/1 white Human Soldier creature token.

Haste

Whenever you cast a spell, if it's the second creature spell you cast this turn, you may return Vengevine from your graveyard to the battlefield.

When Veteran Explorer dies, each player may search their library for up to two basic land cards, put them onto the battlefield, then shuffle.

{T}: Add {G}.

Ferocious — {T}: Add {G}{G}. Activate only if you control a creature with power 4 or greater.

Whenever one or more tokens enter the battlefield under your control, put that many +1/+1 counters on Woodland Champion.

Arixmethes, Slumbering Isle enters the battlefield tapped with five slumber counters on it.

As long as Arixmethes has a slumber counter on it, it's a land. (It's not a creature.)

Whenever you cast a spell, you may remove a slumber counter from Arixmethes.

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

Flying, vigilance, deathtouch, lifelink

At the beginning of your end step, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Flying, deathtouch

When Baleful Strix enters the battlefield, draw a card.

When Breya, Etherium Shaper enters the battlefield, create two 1/1 blue Thopter artifact creature tokens with flying.

{2}, Sacrifice two artifacts: Choose one —

• Breya deals 3 damage to target player or planeswalker.

• Target creature gets -4/-4 until end of turn.

• You gain 5 life.