Vibrating Sphere

As long as it’s your turn, creatures you control get +2/+0.
As long as it’s not your turn, creatures you control get -0/-2.

Hoar Shade

: Hoar Shade gets +1/+1 until end of turn.

Leshrac’s Rite

Enchant creature
Enchanted creature has swampwalk. (It can’t be blocked as long as defending player controls a Swamp.)

Thunder Wall

Defender (This creature can’t attack.)
Flying
: Thunder Wall gets +1/+1 until end of turn.

Black Vise

As Black Vise enters the battlefield, choose an opponent.
At the beginning of the chosen player’s upkeep, Black Vise deals X damage to that player, where X is the number of cards in their hand minus 4.

The Rack

As The Rack enters the battlefield, choose an opponent.
At the beginning of the chosen player’s upkeep, The Rack deals X damage to that player, where X is 3 minus the number of cards in their hand.

Wall of Air

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

Power Sink

Counter target spell unless its controller pays . If that player doesn’t, they tap all lands with mana abilities they control and lose all unspent mana.

Blue Elemental Blast

Choose one —
• Counter target red spell.
• Destroy target red permanent.

Wall of Water

Defender (This creature can’t attack.)
: Wall of Water gets +1/+0 until end of turn.

Karma

At the beginning of each player’s upkeep, Karma deals damage to that player equal to the number of Swamps they control.

Wall of Water

Defender (This creature can’t attack.)
: Wall of Water gets +1/+0 until end of turn.

Cursed Rack

As Cursed Rack enters the battlefield, choose an opponent.
The chosen player’s maximum hand size is four.

Red Elemental Blast

Choose one —
• Counter target blue spell.
• Destroy target blue permanent.

Channel

Until end of turn, any time you could activate a mana ability, you may pay 1 life. If you do, add .

Wall of Dust

Defender (This creature can’t attack.)
Whenever Wall of Dust blocks a creature, that creature can’t attack during its controller’s next turn.

Wall of Fire

Defender (This creature can’t attack.)
: Wall of Fire gets +1/+0 until end of turn.

Black Vise

As Black Vise enters the battlefield, choose an opponent.
At the beginning of the chosen player’s upkeep, Black Vise deals X damage to that player, where X is the number of cards in their hand minus 4.

Wall of Air

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