Searing Touch

Buyback {4} (You may pay an additional {4} as you cast this spell. If you do, put this card into your hand as it resolves.)
Searing Touch deals 1 damage to any target.

Keldon Champion

Haste
Echo {2}{R}{R} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
When this creature enters, it deals 3 damage to target player or planeswalker.

Raze

As an additional cost to cast this spell, sacrifice a land.
Destroy target land.

Arc Lightning

Arc Lightning deals 3 damage divided as you choose among one, two, or three targets.

Raging Goblin

Haste (This creature can attack and {T} as soon as it comes under your control.)

Mogg Fanatic

Sacrifice this creature: It deals 1 damage to any target.

Ring of Gix

Echo {3} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
{1}, {T}: Tap target artifact, creature, or land.

Ghitu Encampment

This land enters tapped.
{T}: Add {R}.
{1}{R}: This land becomes a 2/1 red Warrior creature with first strike until end of turn. It's still a land. (It deals combat damage before creatures without first strike.)

Stone Rain

Cursed Scroll

{3}, {T}: Choose a card name, then reveal a card at random from your hand. If that card has the chosen name, Cursed Scroll deals 2 damage to any target.

Fireslinger

{T}: This creature deals 1 damage to any target and 1 damage to you.

Memory Crystal

Ancient Tomb

{T}: Add {C}{C}. This land deals 2 damage to you.

Ogre Arsonist

When this creature enters, destroy target land.

Mountain

Havoc

Whenever an opponent casts a white spell, they lose 2 life.

Shock

Flowstone Flood

Buyback—Pay 3 life, Discard a card at random. (You may pay 3 life and discard a card at random in addition to any other costs as you cast this spell. If you do, put this card into your hand as it resolves.)
Destroy target land.

Goblin Gardener

When this creature dies, destroy target land.

Boil

Pillage

Destroy target artifact or land. It can't be regenerated.

Wasteland

{T}: Add {C}.
{T}, Sacrifice this land: Destroy target nonbasic land.

Thran Foundry

{1}, {T}, Exile this artifact: Target player shuffles their graveyard into their library.

Shattering Pulse

Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.)
Destroy target artifact.

Seething Anger

Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.)
Target creature gets +3/+0 until end of turn.