Gruul Turf

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

Slaughterhorn

Bloodrush — {G}, Discard this card: Target attacking creature gets +3/+2 until end of turn.

Rubblebelt Raiders

Whenever this creature attacks, put a +1/+1 counter on it for each attacking creature you control.

Pit Fight

Target creature you control fights another target creature. (Each deals damage equal to its power to the other.)

Young Wolf

Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)

Forest

Skarrgan Pit-Skulk

Bloodthirst 1 (If an opponent was dealt damage this turn, this creature enters with a +1/+1 counter on it.)
Creatures with power less than this creature's power can't block it.

Wild Cantor

({R/G} can be paid with either {R} or {G}.)
Sacrifice this creature: Add one mana of any color.

Gruul Cluestone

{T}: Add {R} or {G}.
{R}{G}, {T}, Sacrifice this artifact: Draw a card.

Savage Smash

Target creature you control gets +2/+2 until end of turn. It fights target creature you don't control. (Each deals damage equal to its power to the other.)

Nyxborn Hydra

Bestow {X}{G}{G} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached.)
Reach, trample
This permanent enters with X +1/+1 counters on it.
Enchanted creature gets +1/+1 for each +1/+1 counter on this Aura and has reach and trample.

Ghor-Clan Wrecker

Riot (This creature enters with your choice of a +1/+1 counter or haste.)
Menace (This creature can't be blocked except by two or more creatures.)

Ghor-Clan Savage

Bloodthirst 3 (If an opponent was dealt damage this turn, this creature enters with three +1/+1 counters on it.)

Scab-Clan Mauler

Bloodthirst 2 (If an opponent was dealt damage this turn, this creature enters with two +1/+1 counters on it.)
Trample

Disciple of the Old Ways

{R}: This creature gains first strike until end of turn.

Ground Assault

Ground Assault deals damage to target creature equal to the number of lands you control.

Ruination Wurm

Frenzied Arynx

Riot (This creature enters with your choice of a +1/+1 counter or haste.)
Trample
{4}{R}{G}: This creature gets +3/+0 until end of turn.

Rampaging Rendhorn

Riot (This creature enters with your choice of a +1/+1 counter or haste.)

Gruul Guildgate

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

Streetbreaker Wurm

Gruul Signet

Burning-Tree Bloodscale

Bloodthirst 1 (If an opponent was dealt damage this turn, this creature enters with a +1/+1 counter on it.)
{2}{R}: Target creature can't block this creature this turn.
{2}{G}: Target creature blocks this creature this turn if able.

Tin Street Hooligan

When this creature enters, if {G} was spent to cast it, destroy target artifact.

Rubblebelt Maaka

Bloodrush — {R}, Discard this card: Target attacking creature gets +3/+3 until end of turn.

Burning-Tree Emissary

Zhur-Taa Druid

{T}: Add {G}.
Whenever you tap this creature for mana, it deals 1 damage to each opponent.

Mountain

Gift of the Viper

Put a +1/+1 counter, a reach counter, and a deathtouch counter on target creature. Untap it.

Zhur-Taa Swine

Bloodrush — {1}{R}{G}, Discard this card: Target attacking creature gets +5/+4 until end of turn.

Gruul Locket

{T}: Add {R} or {G}.
{R/G}{R/G}{R/G}{R/G}, {T}, Sacrifice this artifact: Draw two cards.

Rubblebelt Runner

This creature can't be blocked by creature tokens.

Burning-Tree Vandal

Riot (This creature enters with your choice of a +1/+1 counter or haste.)
Whenever this creature attacks, you may discard a card. If you do, draw a card.

Wrecking Beast

Riot (This creature enters with your choice of a +1/+1 counter or haste.)
Trample

Scorchwalker

Bloodrush — {1}{R}{R}, Discard this card: Target attacking creature gets +5/+1 until end of turn.

Rubble Slinger

Scab-Clan Charger

Bloodrush — {1}{G}, Discard this card: Target attacking creature gets +2/+4 until end of turn.

Skinbrand Goblin

Bloodrush — {R}, Discard this card: Target attacking creature gets +2/+1 until end of turn.