Omnath, Locus of Rage

Landfall — Whenever a land you control enters, create a 5/5 red and green Elemental creature token.
Whenever Omnath or another Elemental you control dies, Omnath deals 3 damage to any target.

Mountain

Snapping Gnarlid

Landfall — Whenever a land you control enters, this creature gets +1/+1 until end of turn.

Forest

Kird Ape

This creature gets +1/+2 as long as you control a Forest.

Storm Seeker

Storm Seeker deals damage to target player equal to the number of cards in that player's hand.

Appetite for the Unnatural

Destroy target artifact or enchantment. You gain 2 life.

Stream of Life

Whispersilk Cloak

Equipped creature can't be blocked and has shroud. (It can't be the target of spells or abilities.)
Equip {2}

Tornado Elemental

When this creature enters, it deals 6 damage to each creature with flying.
You may have this creature assign its combat damage as though it weren't blocked.

Fog Patch

Cast this spell only during the declare blockers step.
Attacking creatures become blocked. (This spell works on creatures that can't be blocked.)

Hurricane

Hurricane deals X damage to each creature with flying and each player.

Groundbreaker

Trample, haste
At the beginning of the end step, sacrifice this creature.

Ruric Thar, the Unbowed

Vigilance, reach
Ruric Thar attacks each combat if able.
Whenever a player casts a noncreature spell, Ruric Thar deals 6 damage to that player.

Gaea's Revenge

This spell can't be countered.
Haste
This creature can't be the target of nongreen spells or abilities from nongreen sources.

Zhur-Taa Druid

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

Earthquake

Earthquake deals X damage to each creature without flying and each player.

Rubblebelt Raiders

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

Spark Elemental

Trample, haste (This creature can deal excess combat damage to the player or planeswalker it's attacking. This creature can attack and {T} as soon as it comes under your control.)
At the beginning of the end step, sacrifice this creature.

Terramorphic Expanse

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

Hostility

Haste
If a spell you control would deal damage to an opponent, prevent that damage. Create a 3/1 red Elemental Shaman creature token with haste for each 1 damage prevented this way.
When Hostility is put into a graveyard from anywhere, shuffle it into its owner's library.

Conifer Strider

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

Ball Lightning

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)
Haste (This creature can attack and {T} as soon as it comes under your control.)
At the beginning of the end step, sacrifice this creature.