Mountain

Gruul Guildgate

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

Predator's Rapport

Choose target creature you control. You gain life equal to that creature's power plus its toughness.

Cobblebrute

Ruination Wurm

Gruul Cluestone

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

Zhur-Taa Swine

Bloodrush — {1}{R}{G}, Discard Zhur-Taa Swine: Target attacking creature gets +5/+4 until end of turn.

Revealing Wind

Prevent all combat damage that would be dealt this turn. You may look at each face-down creature that's attacking or blocking.

Forest

Feral Animist

{3}: Feral Animist gets +X/+0 until end of turn, where X is its power.

Saruli Gatekeepers

When Saruli Gatekeepers enters, if you control two or more Gates, you gain 7 life.

Rubblebelt Maaka

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

Ground Assault

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

Slaughterhorn

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

Ghor-Clan Rampager

Trample
Bloodrush — {R}{G}, Discard Ghor-Clan Rampager: Target attacking creature gets +4/+4 and gains trample until end of turn.

Zhur-Taa Druid

{T}: Add {G}.
Whenever you tap Zhur-Taa Druid for mana, it deals 1 damage to each opponent.

Kraul Warrior

{5}{G}: Kraul Warrior gets +3/+3 until end of turn.

Pit Fight

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

Dangerous

All creatures able to block target creature this turn do so.
Fuse (You may cast one or both halves of this card from your hand.)

Armed

Target creature gets +1/+1 and gains double strike until end of turn.
Fuse (You may cast one or both halves of this card from your hand.)

Armed // Dangerous

Ripscale Predator

Menace (This creature can't be blocked except by two or more creatures.)

Phytoburst

Target creature gets +5/+5 until end of turn.

Plummet

Viashino Shanktail

First strike
Bloodrush — {2}{R}, Discard Viashino Shanktail: Target attacking creature gets +3/+1 and gains first strike until end of turn.

Gruul War Chant

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

Wild Hunger

Target creature gets +3/+1 and gains trample until end of turn.
Flashback {3}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)