Avenger en-Dal

{2}{W}, {T}, Discard a card: Exile target attacking creature. Its controller gains life equal to its toughness.

Anthroplasm

Anthroplasm enters with two +1/+1 counters on it.
{X}, {T}: Remove all +1/+1 counters from Anthroplasm and put X +1/+1 counters on it.

Ashen Ghoul

Haste
{B}: Return Ashen Ghoul from your graveyard to the battlefield. Activate only during your upkeep and only if three or more creature cards are above Ashen Ghoul.

Barbed Wire

At the beginning of each player's upkeep, Barbed Wire deals 1 damage to that player.
{2}: Prevent the next 1 damage that would be dealt by Barbed Wire this turn.

Ant Queen

{1}{G}: Create a 1/1 green Insect creature token.

Angelic Chorus

Whenever a creature you control enters, you gain life equal to its toughness.

Aura Shards

Whenever a creature you control enters, you may destroy target artifact or enchantment.

Battle Rampart

Defender
{T}: Target creature gains haste until end of turn.

Aether Flash

Whenever a creature enters, Aether Flash deals 2 damage to it.

Ashnod

Whenever a creature deals damage to you, destroy it.

Ascending Aven

Flying
Ascending Aven can block only creatures with flying.
Morph {2}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Bedlam

Armor Thrull

{T}, Sacrifice Armor Thrull: Put a +1/+2 counter on target creature.

B-I-N-G-O

Trample
Whenever a player casts a spell, put a chip counter on its mana value.
B-I-N-G-O gets +9/+9 for each set of three numbers in a row with chip counters on them.

Bear Cub

Aether Mutation

Return target creature to its owner's hand. Create X 1/1 green Saproling creature tokens, where X is that creature's mana value.