Megrim

Whenever an opponent discards a card, Megrim deals 2 damage to that player.

Suffocating Blast

Counter target spell and Suffocating Blast deals 3 damage to target creature.

Shivan Zombie

Urza's Guilt

Each player draws two cards, then discards three cards, then loses 4 life.

Reckless Assault

{1}, Pay 2 life: Reckless Assault deals 1 damage to any target.

Planar Despair

Domain — All creatures get -1/-1 until end of turn for each basic land type among lands you control.

Vodalian Zombie

Lobotomy

Target player reveals their hand, then you choose a card other than a basic land card from it. Search that player's graveyard, hand, and library for all cards with the same name as the chosen card and exile them. Then that player shuffles.

Metathran Zombie

Void

Choose a number. Destroy all artifacts and creatures with mana value equal to that number. Then target player reveals their hand and discards all nonland cards with mana value equal to the number.

Tsabo Tavoc

First strike, protection from legendary creatures
{B}{B}, {T}: Destroy target legendary creature. It can't be regenerated.

Yawgmoth's Agenda

You can't cast more than one spell each turn.
You may play lands and cast spells from your graveyard.
If a card would be put into your graveyard from anywhere, exile it instead.

Swamp

Phyrexian Tyranny

Whenever a player draws a card, that player loses 2 life unless they pay {2}.

Mountain

Tsabo's Web

When Tsabo's Web enters, draw a card.
Each land with an activated ability that isn't a mana ability doesn't untap during its controller's untap step.

Vile Consumption

All creatures have "At the beginning of your upkeep, sacrifice this creature unless you pay 1 life."