Sprout Swarm

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.)
Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.)
Create a 1/1 green Saproling creature token.

Anger

Haste
As long as Anger is in your graveyard and you control a Mountain, creatures you control have haste.

Gruul Guildmage

({R/G} can be paid with either {R} or {G}.)
{3}{R}, Sacrifice a land: Gruul Guildmage deals 2 damage to target player or planeswalker.
{3}{G}: Target creature gets +2/+2 until end of turn.

Collective Voyage

Join forces — Starting with you, each player may pay any amount of mana. Each player searches their library for up to X basic land cards, where X is the total amount of mana paid this way, puts them onto the battlefield tapped, then shuffles.

Collective Brutality

Escalate—Discard a card. (Pay this cost for each mode chosen beyond the first.)
Choose one or more —
• Target opponent reveals their hand. You choose an instant or sorcery card from it. That player discards that card.
• Target creature gets -2/-2 until end of turn.
• Target opponent loses 2 life and you gain 2 life.

Dunerider Outlaw

Protection from green
At the beginning of each end step, if Dunerider Outlaw dealt damage to an opponent this turn, put a +1/+1 counter on it.

Swarm of Rats

Swarm of Rats's power is equal to the number of Rats you control.

Big Game Hunter

When Big Game Hunter enters, destroy target creature with power 4 or greater. It can't be regenerated.
Madness {B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Swarmyard

{T}: Add {C}.
{T}: Regenerate target Insect, Rat, Spider, or Squirrel. (The next time it would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Gruul Signet

Domri, Anarch of Bolas

Creatures you control get +1/+0.
+1: Add {R} or {G}. Creature spells you cast this turn can't be countered.
−2: Target creature you control fights target creature you don't control.

Zealot il-Vec

Shadow (This creature can block or be blocked by only creatures with shadow.)
Whenever Zealot il-Vec attacks and isn't blocked, you may have it deal 1 damage to target creature. If you do, prevent all combat damage Zealot il-Vec would deal this turn.

Overgrown Tomb

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

Swarmborn Giant

When you're dealt combat damage, sacrifice Swarmborn Giant.
{4}{G}{G}: Monstrosity 2. (If this creature isn't monstrous, put two +1/+1 counters on it and it becomes monstrous.)
As long as Swarmborn Giant is monstrous, it has reach.

Sylvan Reclamation

Exile up to two target artifacts and/or enchantments.
Basic landcycling {2} ({2}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

Collective Unconscious

Draw a card for each creature you control.

Children of Korlis

Sacrifice Children of Korlis: You gain life equal to the life you've lost this turn. (Damage causes loss of life.)

It of the Horrid Swarm

Emerge {6}{G} (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.)
When you cast this spell, create two 1/1 green Insect creature tokens.

Gruul Turf

Gruul Turf enters tapped.
When Gruul Turf enters, return a land you control to its owner's hand.
{T}: Add {R}{G}.

Gruul Beastmaster

Riot (This creature enters with your choice of a +1/+1 counter or haste.)
Whenever Gruul Beastmaster attacks, another target creature you control gets +X/+0 until end of turn, where X is Gruul Beastmaster's power.

Golgari Signet

Swarm Surge

Devoid (This card has no color.)
Creatures you control get +2/+0 until end of turn. Colorless creatures you control also gain first strike until end of turn.

Shambling Swarm

When Shambling Swarm dies, distribute three -1/-1 counters among one, two, or three target creatures. For each -1/-1 counter you put on a creature this way, remove a -1/-1 counter from that creature at the beginning of the next end step.

Command Tower

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

Bound in Silence

Enchant creature
Enchanted creature can't attack or block.

Gruul Keyrune

{T}: Add {R} or {G}.
{R}{G}: Gruul Keyrune becomes a 3/2 red and green Beast artifact creature with trample until end of turn.

Fresh Volunteers

Enraged Revolutionary

Dethrone (Whenever this creature attacks the player with the most life or tied for most life, put a +1/+1 counter on it.)

Gratuitous Violence

If a creature you control would deal damage to a permanent or player, it deals double that damage instead.

Devouring Swarm

Flying
Sacrifice a creature: Devouring Swarm gets +1/+1 until end of turn.

Gruul Spellbreaker

Riot (This creature enters with your choice of a +1/+1 counter or haste.)
Trample
During your turn, you and Gruul Spellbreaker have hexproof.

Endless Swarm

Create a 1/1 green Snake creature token for each card in your hand.
Epic (For the rest of the game, you can't cast spells. At the beginning of each of your upkeeps, copy this spell except for its epic ability.)

Gruul War Chant

Attacking creatures you control get +1/+0 and have menace.

Collective Blessing

Collective Defiance

Escalate {1} (Pay this cost for each mode chosen beyond the first.)
Choose one or more —
• Target player discards all the cards in their hand, then draws that many cards.
• Collective Defiance deals 4 damage to target creature.
• Collective Defiance deals 3 damage to target opponent or planeswalker.

Jagwasp Swarm

Sol Ring

Xantid Swarm

Flying
Whenever Xantid Swarm attacks, defending player can't cast spells this turn.

Gruul Ragebeast

Whenever Gruul Ragebeast or another creature you control enters, that creature fights target creature an opponent controls.

Gruul War Plow

Creatures you control have trample.
{1}{R}{G}: Gruul War Plow becomes a 4/4 Juggernaut artifact creature until end of turn.

Chandra's Revolution

Chandra's Revolution deals 4 damage to target creature. Tap target land. That land doesn't untap during its controller's next untap step.

Ironclad Revolutionary

When Ironclad Revolutionary enters, you may sacrifice an artifact. If you do, put two +1/+1 counters on Ironclad Revolutionary and each opponent loses 2 life.

Locust Swarm

Flying
{G}: Regenerate Locust Swarm.
{G}: Untap Locust Swarm. Activate only once each turn.

Cho-Manno, Revolutionary

Prevent all damage that would be dealt to Cho-Manno, Revolutionary.

Rathi Trapper

Clockwork Swarm

Clockwork Swarm enters with four +1/+0 counters on it.
Clockwork Swarm can't be blocked by Walls.
At end of combat, if Clockwork Swarm attacked or blocked this combat, remove a +1/+0 counter from it.
{X}, {T}: Put up to X +1/+0 counters on Clockwork Swarm. This ability can't cause the total number of +1/+0 counters on Clockwork Swarm to be greater than four. Activate only during your upkeep.

Amrou Seekers

Amrou Seekers can't be blocked except by artifact creatures and/or white creatures.

Anarchy

Gruul Scrapper

When Gruul Scrapper enters, if {R} was spent to cast it, it gains haste until end of turn.

Plains

Hell Swarm

All creatures get -1/-0 until end of turn.

Saskia the Unyielding

Vigilance, haste
As Saskia the Unyielding enters, choose a player.
Whenever a creature you control deals combat damage to a player, it deals that much damage to the chosen player.

Gruul Guildgate

This land enters tapped.
{T}: Add {R} or {G}.

Gruul Cluestone

{T}: Add {R} or {G}.
{R}{G}, {T}, Sacrifice Gruul Cluestone: Draw a card.

Swamp

True Conviction

Creatures you control have double strike and lifelink.

Rappelling Scouts

Flying
{2}{W}: Rappelling Scouts gains protection from the color of your choice until end of turn.

Terminate

Destroy target creature. It can't be regenerated.

Exotic Orchard

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

Pia's Revolution

Whenever a nontoken artifact is put into your graveyard from the battlefield, return that card to your hand unless target opponent has Pia's Revolution deal 3 damage to them.

Spore Swarm

Create three 1/1 green Saproling creature tokens.

Lin Sivvi, Defiant Hero

{X}, {T}: Search your library for a Rebel permanent card with mana value X or less, put it onto the battlefield, then shuffle.
{3}: Put target Rebel card from your graveyard on the bottom of your library.

Stormscale Anarch

{2}{R}, Discard a card at random: Stormscale Anarch deals 2 damage to any target. If the discarded card was multicolored, Stormscale Anarch deals 4 damage instead.

Gruul Charm

Choose one —
• Creatures without flying can't block this turn.
• Gain control of all permanents you own.
• Gruul Charm deals 3 damage to each creature with flying.

Collective Effort

Escalate—Tap an untapped creature you control. (Pay this cost for each mode chosen beyond the first.)
Choose one or more —
• Destroy target creature with power 4 or greater.
• Destroy target enchantment.
• Put a +1/+1 counter on each creature target player controls.

Mountain

Gruul Locket

{T}: Add {R} or {G}.
{R/G}{R/G}{R/G}{R/G}, {T}, Sacrifice Gruul Locket: Draw two cards.

Forest

Maulfist Revolutionary

Trample
When Maulfist Revolutionary enters or dies, for each kind of counter on target permanent or player, give that permanent or player another counter of that kind.

Rebel Informer

Rebel Informer can't be the target of white spells or abilities from white sources.
{3}: Put target nontoken Rebel on the bottom of its owner's library.

Reveille Squad

Whenever one or more creatures attack you, if Reveille Squad is untapped, you may untap all creatures you control.

Utter End

Anarchist

When Anarchist enters, you may return target sorcery card from your graveyard to your hand.

Mirari's Wake

Creatures you control get +1/+1.
Whenever you tap a land for mana, add one mana of any type that land produced.

Kraul Swarm

Flying
{2}{B}, Discard a creature card: Return Kraul Swarm from your graveyard to your hand.