Castle

Untapped creatures you control get +0/+2.

Wall of Air

Defender, flying (This creature can't attack, and it can block creatures with flying.)

Wall of Water

Defender (This creature can't attack.)
{U}: This creature gets +1/+0 until end of turn.

Water Elemental

Animate Dead

Enchant creature card in a graveyard
When this Aura enters, if it's on the battlefield, it loses "enchant creature card in a graveyard" and gains "enchant creature put onto the battlefield with this Aura." Return enchanted creature card to the battlefield under your control and attach this Aura to it. When this Aura leaves the battlefield, that creature's controller sacrifices it.
Enchanted creature gets -1/-0.

Bad Moon

Black Knight

First strike (This creature deals combat damage before creatures without first strike.)
Protection from white (This creature can't be blocked, targeted, dealt damage, or enchanted by anything white.)

Bog Wraith

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

Cursed Land

Enchant land
At the beginning of the upkeep of enchanted land's controller, this Aura deals 1 damage to that player.

Limited Edition Beta