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.)

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Skred

Skred deals damage to target creature equal to the number of snow permanents you control.

Snow-Covered Mountain

Arctic Treeline

({T}: Add {G} or {W}.)
Arctic Treeline enters tapped.

Kird Ape

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

Highland Forest

({T}: Add {R} or {G}.)
Highland Forest enters tapped.

Snow-Covered Forest

Ram Through

Target creature you control deals damage equal to its power to target creature you don't control. If the creature you control has trample, excess damage is dealt to that creature's controller instead.

Burning-Tree Emissary

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

Crimson Fleet Commodore

Trample
When Crimson Fleet Commodore enters, you become the monarch.

Wild Nacatl

Wild Nacatl gets +1/+1 as long as you control a Mountain.
Wild Nacatl gets +1/+1 as long as you control a Plains.

Bayou Groff

As an additional cost to cast this spell, sacrifice a creature or pay {3}.

Jund Hackblade

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

Rip-Clan Crasher

Thraben Inspector

When Thraben Inspector enters, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")