Mwonvuli Acid-Moss

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

Arbor Elf

Snow-Covered Forest

Smash to Smithereens

Destroy target artifact. Smash to Smithereens deals 3 damage to that artifact's controller.

Avenging Hunter

Trample
When Avenging Hunter enters, you take the initiative.

Llanowar Visionary

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

Reclaiming Vines

Destroy target artifact, enchantment, or land.

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.)

Getting

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.)

Relic of Progenitus

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

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.

Have

Wild Growth

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

Weather the Storm

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

Breath Weapon

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

Crimson Fleet Commodore

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

Skred

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

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Highland Forest

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

Thermokarst

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

Snow-Covered Mountain

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.)