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.

Wildfire

Each player sacrifices four lands. Wildfire deals 4 damage to each creature.

Phyrexian Arena

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

Underworld Dreams

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

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.

Wildfire

Each player sacrifices four lands. Wildfire deals 4 damage to each creature.

Chastise

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

Ravenous Rats

When Ravenous Rats enters the battlefield, target opponent discards a card.

Nantuko Husk

Sacrifice a creature: Nantuko Husk gets +2/+2 until end of turn.

Kitsune Dawnblade

Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.)
When Kitsune Dawnblade enters the battlefield, you may tap target creature.

Sokenzan Spellblade

Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.)
: Sokenzan Spellblade gets +X/+0 until end of turn, where X is the number of cards in your hand.

Infernal Kirin

Flying
Whenever you cast a Spirit or Arcane spell, target player reveals their hand and discards all cards with that spell’s converted mana cost.

Call for Blood

As an additional cost to cast this spell, sacrifice a creature.
Target creature gets -X/-X until end of turn, where X is the sacrificed creature’s power.

Traproot Kami

Defender; reach (This creature can block creatures with flying.)
Traproot Kami’s toughness is equal to the number of Forests on the battlefield.

Frostling

Sacrifice Frostling: It deals 1 damage to target creature.

Matsu-Tribe Sniper

: Matsu-Tribe Sniper deals 1 damage to target creature with flying.
Whenever Matsu-Tribe Sniper deals damage to a creature, tap that creature and it doesn’t untap during its controller’s next untap step.

Heartless Hidetsugu

: Heartless Hidetsugu deals damage to each player equal to half that player’s life total, rounded down.

Indebted Samurai

Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.)
Whenever a Samurai you control dies, you may put a +1/+1 counter on Indebted Samurai.

Form of the Squirrel

As Form of the Squirrel enters the battlefield, create a 1/1 green Squirrel creature token. You lose the game when that creature leaves the battlefield.
Creatures can’t attack you.
You have shroud.
You can’t cast spells.

Nezumi Cutthroat

Fear (This creature can’t be blocked except by artifact creatures and/or black creatures.)
Nezumi Cutthroat can’t block.

Sakura-Tribe Elder

Sacrifice Sakura-Tribe Elder: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle your library.

Crushing Pain

Crushing Pain deals 6 damage to target creature that was dealt damage this turn.

Venerable Kumo

Reach (This creature can block creatures with flying.)
Soulshift 4 (When this creature dies, you may return target Spirit card with converted mana cost 4 or less from your graveyard to your hand.)