Rolling Stones

Wall creatures can attack as though they didn't have defender.

Island

Pacifism

Enchant creature
Enchanted creature can't attack or block.

Rain of Blades

Rain of Blades deals 1 damage to each attacking creature.

Wall of Spears

Defender (This creature can't attack.)
First strike

Seasoned Marshal

Whenever Seasoned Marshal attacks, you may tap target creature.

Avatar of Hope

If you have 3 or less life, this spell costs {6} less to cast.
Flying
Avatar of Hope can block any number of creatures.

Flight

Enchant creature
Enchanted creature has flying.

Coastal Tower

Coastal Tower enters tapped.
{T}: Add {W} or {U}.

Curiosity

Enchant creature
Whenever enchanted creature deals damage to an opponent, you may draw a card.

Catalog

Mana Leak

Counter target spell unless its controller pays {3}.

Swamp

Salt Marsh

Salt Marsh enters tapped.
{T}: Add {U} or {B}.

Abyssal Specter

Flying
Whenever Abyssal Specter deals damage to a player, that player discards a card.

Boomerang

Return target permanent to its owner's hand.

Diving Griffin

Savannah Lions

Spirit Link

Enchant creature (Target a creature as you cast this. This card enters attached to that creature.)
Whenever enchanted creature deals damage, you gain that much life.

Holy Day

Prevent all combat damage that would be dealt this turn.

Plains

City of Brass

Whenever City of Brass becomes tapped, it deals 1 damage to you.
{T}: Add one mana of any color.

Wall of Swords

Defender (This creature can't attack.)
Flying

Bribery

Search target opponent's library for a creature card and put that card onto the battlefield under your control. Then that player shuffles.

Confiscate

Enchant permanent
You control enchanted permanent.

Serra Angel

Flying
Vigilance (Attacking doesn't cause this creature to tap.)

Merchant Scroll

Search your library for a blue instant card, reveal that card, put it into your hand, then shuffle.