Phantom Centaur

Protection from black
Phantom Centaur enters the battlefield with three +1/+1 counters on it.
If damage would be dealt to Phantom Centaur, prevent that damage. Remove a +1/+1 counter from Phantom Centaur.

Smother

Destroy target creature with converted mana cost 3 or less. It can’t be regenerated.

Smother

Destroy target creature with converted mana cost 3 or less. It can’t be regenerated.

Ray of Distortion

Destroy target artifact or enchantment.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Smother

Destroy target creature with converted mana cost 3 or less. It can’t be regenerated.

Phyrexian Arena

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

Bog Imp

Flying (This creature can’t be blocked except by creatures with flying or reach.)

Raise Dead

Return target creature card from your graveyard to your hand.

Chastise

Destroy target attacking creature. You gain life equal to its power.

Underworld Dreams

Whenever an opponent draws a card, Underworld Dreams deals 1 damage to that player.

Rhox

You may have Rhox assign its combat damage as though it weren’t blocked.
: Regenerate Rhox. (The next time this creature would be destroyed this turn, it isn’t. Instead tap it, remove all damage from it, and remove it from combat.)

Nightmare

Flying (This creature can’t be blocked except by creatures with flying or reach.)
Nightmare’s power and toughness are each equal to the number of Swamps you control.

Kurgadon

Whenever you cast a creature spell with converted mana cost 6 or greater, put three +1/+1 counters on Kurgadon.

Consumptive Goo

: Target creature gets -1/-1 until end of turn. Put a +1/+1 counter on Consumptive Goo.

Form of the Dragon

At the beginning of your upkeep, Form of the Dragon deals 5 damage to any target.
At the beginning of each end step, your life total becomes 5.
Creatures without flying can’t attack you.

Dragon Fangs

Enchant creature
Enchanted creature gets +1/+1 and has trample.
When a creature with converted mana cost 6 or greater enters the battlefield, you may return Dragon Fangs from your graveyard to the battlefield attached to that creature.

Decree of Pain

Destroy all creatures. They can’t be regenerated. Draw a card for each creature destroyed this way.
Cycling (, Discard this card: Draw a card.)
When you cycle Decree of Pain, all creatures get -2/-2 until end of turn.

Drinker of Sorrow

Drinker of Sorrow can’t block.
Whenever Drinker of Sorrow deals combat damage, sacrifice a permanent.

Feral Throwback

Amplify 2 (As this creature enters the battlefield, put two +1/+1 counters on it for each Beast card you reveal in your hand.)
Provoke (Whenever this creature attacks, you may have target creature defending player controls untap and block it if able.)

Brontotherium

Trample
Provoke (Whenever this creature attacks, you may have target creature defending player controls untap and block it if able.)

Kilnmouth Dragon

Amplify 3 (As this creature enters the battlefield, put three +1/+1 counters on it for each Dragon card you reveal in your hand.)
Flying
: Kilnmouth Dragon deals damage equal to the number of +1/+1 counters on it to any target.