Swamp

Zombie Goliath

Rise from the Grave

Put target creature card from a graveyard onto the battlefield under your control. That creature is a black Zombie in addition to its other colors and types.

Cemetery Reaper

Other Zombie creatures you control get +1/+1.
{2}{B}, {T}: Exile target creature card from a graveyard. Create a 2/2 black Zombie creature token.

Bog Wraith

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

Assassinate

Wall of Bone

Defender (This creature can't attack.)
{B}: Regenerate this creature. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Naturalize

Mind Rot

Nightmare

Whenever this creature attacks or blocks, each opponent exiles the top two cards of their library.

Doom Blade

Drudge Skeletons

{B}: Regenerate this creature. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Giant Growth

Target creature gets +3/+3 until end of turn.

Forest

Consume Spirit

Spend only black mana on X.
Consume Spirit deals X damage to any target and you gain X life.

Terramorphic Expanse

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Warpath Ghoul

Looming Shade

{B}: This creature gets +1/+1 until end of turn.

Gravedigger

When this creature enters, you may return target creature card from your graveyard to your hand.

Enormous Baloth

Tendrils of Corruption

Tendrils of Corruption deals X damage to target creature and you gain X life, where X is the number of Swamps you control.