Rip-Clan Crasher

Burning-Tree Emissary

When Burning-Tree Emissary enters, add {R}{G}.

Mountain

Kiln Fiend

Whenever you cast an instant or sorcery spell, Kiln Fiend gets +3/+0 until end of turn.

Rancor

Enchant creature
Enchanted creature gets +2/+0 and has trample.
When Rancor is put into a graveyard from the battlefield, return Rancor to its owner's hand.

End the Festivities

End the Festivities deals 1 damage to each opponent and each creature and planeswalker they control.

Kird Ape

Kird Ape gets +1/+2 as long as you control a Forest.

Forest

Assault Strobe

Target creature gains double strike until end of turn. (It deals both first-strike and regular combat damage.)

Naya Hushblade

As long as you control another multicolored permanent, Naya Hushblade gets +1/+1 and has shroud. (It can't be the target of spells or abilities.)

River Boa

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)
{G}: Regenerate River Boa.

Reckless Impulse

Exile the top two cards of your library. Until the end of your next turn, you may play those cards.

Natural State

Destroy target artifact or enchantment with mana value 3 or less.

Jund Hackblade

As long as you control another multicolored permanent, Jund Hackblade gets +1/+1 and has haste.