Rolling Temblor

Rolling Temblor deals 2 damage to each creature without flying.
Flashback {4}{R}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Essence Warden

Whenever another creature enters, you gain 1 life.

Gladecover Scout

Hexproof (This creature can't be the target of spells or abilities your opponents control.)

Racers' Ring

This land enters tapped.
{T}: Add {R} or {G}.
{2}{R}{G}, {T}, Sacrifice this land: Draw a card.

Terramorphic Expanse

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Lightning Elemental

Haste (This creature can attack and {T} as soon as it comes under your control.)

Garruk's Companion

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

Arc Trail

Arc Trail deals 2 damage to any target and 1 damage to any other target.

Jungle Shrine

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

Goblin Fireslinger

{T}: This creature deals 1 damage to target player or planeswalker.

Falkenrath Marauders

Flying
Haste (This creature can attack and {T} as soon as it comes under your control.)
Whenever this creature deals combat damage to a player, put two +1/+1 counters on it.

Kazandu Refuge

This land enters tapped.
When this land enters, you gain 1 life.
{T}: Add {R} or {G}.

Wreath of Geists

Enchant creature
Enchanted creature gets +X/+X, where X is the number of creature cards in your graveyard.

Forest

Kazandu Nectarpot

Landfall — Whenever a land you control enters, you gain 1 life.

Tajuru Blightblade

Mountain

Grazing Gladehart

Landfall — Whenever a land you control enters, you may gain 2 life.

Ruthless Invasion

({R/P} can be paid with either {R} or 2 life.)
Nonartifact creatures can't block this turn.

Act of Treason

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. (It can attack and {T} this turn.)

Rootbound Crag

This land enters tapped unless you control a Mountain or a Forest.
{T}: Add {R} or {G}.

Roil Eruption

Kicker {5} (You may pay an additional {5} as you cast this spell.)
Roil Eruption deals 3 damage to any target. If this spell was kicked, it deals 5 damage instead.

Dragon's Claw

Whenever a player casts a red spell, you may gain 1 life.

Lotus Cobra

Landfall — Whenever a land you control enters, add one mana of any color.

Goblin Tunneler

{T}: Target creature with power 2 or less can't be blocked this turn.

Gnarlid Colony

Kicker {2}{G} (You may pay an additional {2}{G} as you cast this spell.)
If this creature was kicked, it enters with two +1/+1 counters on it.
Each creature you control with a +1/+1 counter on it has trample. (It can deal excess combat damage to the player or planeswalker it's attacking.)

Kalonian Tusker

Evolving Wilds

Skyclave Pick-Axe

When this Equipment enters, attach it to target creature you control.
Landfall — Whenever a land you control enters, equipped creature gets +2/+2 until end of turn.
Equip {2}{G} ({2}{G}: Attach to target creature you control. Equip only as a sorcery.)

Goblin Arsonist

When this creature dies, you may have it deal 1 damage to any target.

Koth of the Hammer

+1: Untap target Mountain. It becomes a 4/4 red Elemental creature until end of turn. It's still a land.
−2: Add {R} for each Mountain you control.
−5: You get an emblem with "Mountains you control have '{T}: This land deals 1 damage to any target.'"

Shrine of Burning Rage

At the beginning of your upkeep and whenever you cast a red spell, put a charge counter on this artifact.
{3}, {T}, Sacrifice this artifact: It deals damage equal to the number of charge counters on it to any target.

Furnace Scamp

Whenever this creature deals combat damage to a player, you may sacrifice it. If you do, this creature deals 3 damage to that player.