Dire Wolf Prowler

{1}{G}: Dire Wolf Prowler gets +2/+2 and gains haste until end of turn. Activate only once each turn.

Gravel-Hide Goblin

{3}{G}: Gravel-Hide Goblin gets +2/+2 until end of turn.

Snarling Wolf

{1}{G}: Snarling Wolf gets +2/+2 until end of turn. Activate only once each turn.

Igneous Cur

{1}{R}: Igneous Cur gets +2/+0 until end of turn.

Oran-Rief Invoker

{8}: Oran-Rief Invoker gets +5/+5 and gains trample until end of turn.

Feral Ridgewolf

Trample
{1}{R}: Feral Ridgewolf gets +2/+0 until end of turn.

Valakut Invoker

{8}: Valakut Invoker deals 3 damage to any target.

Almighty Brushwagg

Trample
{3}{G}: Almighty Brushwagg gets +3/+3 until end of turn.

Basking Rootwalla

{1}{G}: Basking Rootwalla gets +2/+2 until end of turn. Activate only once each turn.
Madness {0} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Quilled Wolf

{5}{G}: Quilled Wolf gets +4/+4 until end of turn.

Ursine Champion

{5}{G}: Ursine Champion gets +3/+3 and becomes a Bear Berserker until end of turn. Activate only once each turn.

Thorn Lieutenant

Whenever Thorn Lieutenant becomes the target of a spell or ability an opponent controls, create a 1/1 green Elf Warrior creature token.
{5}{G}: Thorn Lieutenant gets +4/+4 until end of turn.

Stonewood Invoker

{7}{G}: Stonewood Invoker gets +5/+5 until end of turn.

Soulbright Flamekin

{2}: Target creature gains trample until end of turn. If this is the third time this ability has resolved this turn, you may add {R}{R}{R}{R}{R}{R}{R}{R}.

Bold Impaler

{2}{R}: Bold Impaler gets +2/+0 until end of turn.

Goblin Banneret

Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.)
{1}{R}: Goblin Banneret gets +2/+0 until end of turn.

Atarka Beastbreaker

Formidable — {4}{G}: Atarka Beastbreaker gets +4/+4 until end of turn. Activate only if creatures you control have total power 8 or greater.

Hellkite Igniter

Flying, haste
{1}{R}: Hellkite Igniter gets +X/+0 until end of turn, where X is the number of artifacts you control.

Darkthicket Wolf

{2}{G}: Darkthicket Wolf gets +2/+2 until end of turn. Activate only once each turn.

Silvanus's Invoker

Conjure Elemental — {8}: Untap target land you control. It becomes an 8/8 Elemental creature with trample and haste until end of turn. It's still a land.

Conifer Wurm

Trample
{3}{G}: Conifer Wurm gets +X/+X until end of turn, where X is the number of snow permanents you control.

Frilled Sandwalla

{1}{G}: Frilled Sandwalla gets +2/+2 until end of turn. Activate only once each turn.

Plated Rootwalla

{2}{G}: Plated Rootwalla gets +3/+3 until end of turn. Activate only once each turn.

Frostwalla

{S}: Frostwalla gets +2/+2 until end of turn. Activate only once each turn. ({S} can be paid with one mana from a snow source.)

Wildheart Invoker

{8}: Target creature gets +5/+5 and gains trample until end of turn. (It can deal excess combat damage to the player or planeswalker it's attacking.)

Svella, Ice Shaper

{3}, {T}: Create a colorless snow artifact token named Icy Manalith with "{T}: Add one mana of any color."
{6}{R}{G}, {T}: Look at the top four cards of your library. You may cast a spell from among them without paying its mana cost. Put the rest on the bottom of your library in a random order.

Rootwalla

{1}{G}: Rootwalla gets +2/+2 until end of turn. Activate only once each turn.

Sun-Collared Raptor

Trample
{2}{R}: Sun-Collared Raptor gets +3/+0 until end of turn.

Ghor-Clan Bloodscale

First strike
{3}{G}: Ghor-Clan Bloodscale gets +2/+2 until end of turn. Activate only once each turn.

Kraul Warrior

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

Agatha of the Vile Cauldron

Activated abilities of creatures you control cost {X} less to activate, where X is Agatha of the Vile Cauldron's power. This effect can't reduce the mana in that cost to less than one mana.
{4}{R}{G}: Other creatures you control get +1/+1 and gain trample and haste until end of turn.