Revised

Casting Cost:

Exile target creature. Its controller gains life equal to its power.

: Add  or  to your mana pool.

As The Rack enters the battlefield, choose an opponent.

: Add  or  to your mana pool.

: Add  or  to your mana pool.

: Add  or  to your mana pool.

Casting Cost:

You may have Vesuvan Doppelganger enter the battlefield as a copy of any creature on the battlefield except it doesn't copy that creature's color and it gains "At the beginning of your upkeep, you may have this creature become a copy of target creature except it doesn't copy that creature's color. If you do, this creature gains this ability."

: Add  or  to your mana pool.

Casting Cost:

Players can't untap more than one land during their untap steps.

Casting Cost:

Destroy all creatures. They can't be regenerated.

Casting Cost:

Other Zombie creatures have swampwalk. (They can't be blocked as long as defending player controls a Swamp.)

Other Zombies have ": Regenerate this permanent."