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.

Stone Rain

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.)

Arc Lightning

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

Mountain

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.

Wasteland

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

Raze

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

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.

Memory Crystal

Ogre Arsonist

When this creature enters, destroy target land.

Raging Goblin

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

Fireslinger

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

Mogg Fanatic

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

Shock

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.

Havoc

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

Ancient Tomb

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

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.

Boil

Thran Foundry

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

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.

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.