Gray Ogre

Phyrexian Broodlings

{1}, Sacrifice a creature: Put a +1/+1 counter on Phyrexian Broodlings.

Graveborn Muse

At the beginning of your upkeep, you draw X cards and you lose X life, where X is the number of Zombies you control.

Smokespew Invoker

{7}{B}: Target creature gets -3/-3 until end of turn.

Sick and Tired

Two target creatures each get -1/-1 until end of turn.

Swamp

Warbreak Trumpeter

Morph {X}{X}{R} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)
When Warbreak Trumpeter is turned face up, create X 1/1 red Goblin creature tokens.

Goblin Turncoat

Sacrifice a Goblin: Regenerate Goblin Turncoat.

Frozen Shade

{B}: Frozen Shade gets +1/+1 until end of turn.

Mountain

Volcanic Island

Unnerve

Pouncing Kavu

Kicker {2}{R} (You may pay an additional {2}{R} as you cast this spell.)
First strike
If Pouncing Kavu was kicked, it enters with two +1/+1 counters on it and with haste.

Deathgrip

Red Elemental Blast

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

Fireball

This spell costs {1} more to cast for each target beyond the first.
Fireball deals X damage divided evenly, rounded down, among any number of targets.

Dryad Arbor

(Dryad Arbor isn't a spell, it's affected by summoning sickness, and it has "{T}: Add {G}.")

Giant Cockroach

Addle

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

Unworthy Dead

Despondency

Enchant creature
Enchanted creature gets -2/-0.
When Despondency is put into a graveyard from the battlefield, return Despondency to its owner's hand.

Sinkhole

Ostracize

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

Malice

Destroy target nonblack creature. It can't be regenerated.

Spite

Spite // Malice

Shimian Specter

Flying
Whenever Shimian Specter deals combat damage to a player, that player reveals their hand. You choose a nonland card from it. Search that player's graveyard, hand, and library for all cards with the same name as that card and exile them. Then that player shuffles.

Exhume

Each player puts a creature card from their graveyard onto the battlefield.

Skirge Familiar

Pestilence

At the beginning of the end step, if no creatures are on the battlefield, sacrifice Pestilence.
{B}: Pestilence deals 1 damage to each creature and each player.

Frenetic Raptor

Plague Beetle

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)