Snow-Covered Forest

Burning-Tree Emissary

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

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.

Aura Gnarlid

Creatures with power less than Aura Gnarlid's power can't block it.
Aura Gnarlid gets +1/+1 for each Aura on the battlefield.

Snow-Covered Mountain

Alpine Meadow

({T}: Add {R} or {W}.)
Alpine Meadow enters tapped.

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Nylea's Presence

Enchant land
When Nylea's Presence enters, draw a card.
Enchanted land is every basic land type in addition to its other types.

Highland Forest

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

Qasali Pridemage

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)
{1}, Sacrifice Qasali Pridemage: Destroy target artifact or enchantment.

Seeker of the Way

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
Whenever you cast a noncreature spell, Seeker of the Way gains lifelink until end of turn.

Abundant Growth

Enchant land
When Abundant Growth enters, draw a card.
Enchanted land has "{T}: Add one mana of any color."

Snow-Covered Plains

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.

Matca Rioters

Domain — Matca Rioters's power and toughness are each equal to the number of basic land types among lands you control.

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.

Skred

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

Tribal Flames

Domain — Tribal Flames deals X damage to any target, where X is the number of basic land types among lands you control.