Negate

Snow-Covered Island

Blue Elemental Blast

Choose one —
• Counter target red spell.
• Destroy target red permanent.

Cleansing Wildfire

Destroy target land. Its controller may search their library for a basic land card, put it onto the battlefield tapped, then shuffle.
Draw a card.

Breath Weapon

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

Destroy Evil

Choose one —
• Destroy target creature with toughness 4 or greater.
• Destroy target enchantment.

Skred

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

Rustvale Bridge

This land enters tapped.
Indestructible
{T}: Add {R} or {W}.

Preordain

Scry 2, then draw a card. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

Murmuring Mystic

Whenever you cast an instant or sorcery spell, create a 1/1 blue Bird Illusion creature token with flying.

Silverbluff Bridge

This land enters tapped.
Indestructible
{T}: Add {U} or {R}.

Glacial Floodplain

({T}: Add {W} or {U}.)
This land enters tapped.

Dust to Dust

Red Elemental Blast

Choose one —
• Counter target blue spell.
• Destroy target blue permanent.

Pyroblast

Choose one —
• Counter target spell if it's blue.
• Destroy target permanent if it's blue.

Snow-Covered Mountain

Volatile Fjord

({T}: Add {U} or {R}.)
This land enters tapped.

Counterspell

Late to Dinner

Return target creature card from your graveyard to the battlefield. Create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this token: You gain 3 life.")

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Augur of Bolas

When this creature enters, look at the top three cards of your library. You may reveal an instant or sorcery card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

Lórien Revealed

Draw three cards.
Islandcycling {1} ({1}, Discard this card: Search your library for an Island card, reveal it, put it into your hand, then shuffle.)

Archaeomancer

When this creature enters, return target instant or sorcery card from your graveyard to your hand.

Mulldrifter

Flying
When this creature enters, draw two cards.
Evoke {2}{U} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters.)

Union of the Third Path

Draw a card, then you gain life equal to the number of cards in your hand.

Ephemerate

Exile target creature you control, then return it to the battlefield under its owner's control.
Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)