Plague Spitter

At the beginning of your upkeep, this creature deals 1 damage to each creature and each player.
When this creature dies, it deals 1 damage to each creature and each player.

Flametongue Kavu

When this creature enters, it deals 4 damage to target creature.

Skizzik

Kicker {R} (You may pay an additional {R} as you cast this spell.)
Trample, haste
At the beginning of the end step, if this creature wasn't kicked, sacrifice it.

Blazing Specter

Flying, haste
Whenever this creature deals combat damage to a player, that player discards a card.

Rishadan Port

Terminate

Destroy target creature. It can't be regenerated.

Sulfurous Springs

{T}: Add {C}.
{T}: Add {B} or {R}. This land deals 1 damage to you.

Vendetta

Destroy target nonblack creature. It can't be regenerated. You lose life equal to that creature's toughness.

Phyrexian Arena

At the beginning of your upkeep, you draw a card and you lose 1 life.

Duress

Target opponent reveals their hand. You choose a noncreature, nonland card from it. That player discards that card.

Addle

Choose a color. Target player reveals their hand and you choose a card of that color from it. That player discards that card.

Phyrexian Scuta

Kicker—Pay 3 life. (You may pay 3 life in addition to any other costs as you cast this spell.)
If this creature was kicked, it enters with two +1/+1 counters on it.

Crypt Angel

Flying, protection from white
When this creature enters, return target blue or red creature card from your graveyard to your hand.

Scoria Cat

This creature gets +3/+3 as long as you control no untapped lands.

Urza's Rage

Kicker {8}{R} (You may pay an additional {8}{R} as you cast this spell.)
This spell can't be countered.
Urza's Rage deals 3 damage to any target. If this spell was kicked, instead it deals 10 damage to that permanent or player and the damage can't be prevented.

Pyroclasm

Pyroclasm deals 2 damage to each creature.

Urborg Volcano

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

Mountain

Swamp

Dark Ritual

Persecute

Choose a color. Target player reveals their hand and discards all cards of that color.