Snow-Covered Mountain

Don't Have

Thermokarst

Destroy target land. If that land was a snow land, you gain 1 life.

Llanowar Visionary

When Llanowar Visionary enters, draw a card.
{T}: Add {G}.

Breath Weapon

Breath Weapon deals 2 damage to each non-Dragon creature.

Highland Forest

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

Have

Utopia Sprawl

Enchant Forest
As Utopia Sprawl enters, choose a color.
Whenever enchanted Forest is tapped for mana, its controller adds an additional one mana of the chosen color.

Weather the Storm

You gain 3 life.
Storm (When you cast this spell, copy it for each spell cast before it this turn.)

Snow-Covered Forest

Generous Ent

Reach
When Generous Ent enters, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life.")
Forestcycling {1} ({1}, Discard this card: Search your library for a Forest card, reveal it, put it into your hand, then shuffle.)

Wild Growth

Enchant land
Whenever enchanted land is tapped for mana, its controller adds an additional {G}.

Mwonvuli Acid-Moss

Destroy target land. Search your library for a Forest card, put that card onto the battlefield tapped, then shuffle.

Boarding Party

Haste
Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)

Deglamer

Choose target artifact or enchantment. Its owner shuffles it into their library.

Relic of Progenitus

{T}: Target player exiles a card from their graveyard.
{1}, Exile Relic of Progenitus: Exile all graveyards. Draw a card.

Reclaiming Vines

Destroy target artifact, enchantment, or land.

Gorilla Shaman

{X}{X}{1}: Destroy target noncreature artifact with mana value X.

Arbor Elf

Fiery Cannonade

Fiery Cannonade deals 2 damage to each non-Pirate creature.

Avenging Hunter

Trample
When Avenging Hunter enters, you take the initiative.

Crimson Fleet Commodore

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

Annoyed Altisaur

Reach, trample
Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)