Mishra's Factory

{T}: Add {C}.
{1}: Mishra's Factory becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land.
{T}: Target Assembly-Worker creature gets +1/+1 until end of turn.

Birds of Paradise

Savannah

Savannah Lions

Aeolipile

{1}, {T}, Sacrifice Aeolipile: It deals 2 damage to any target.

Erhnam Djinn

At the beginning of your upkeep, target non-Wall creature an opponent controls gains forestwalk until your next upkeep. (It can't be blocked as long as defending player controls a Forest.)

Jayemdae Tome

Night Soil

{1}, Exile two creature cards from a single graveyard: Create a 1/1 green Saproling creature token.

Disenchant

Wrath of God

Destroy all creatures. They can't be regenerated.

Sylvan Library

At the beginning of your draw step, you may draw two additional cards. If you do, choose two cards in your hand drawn this turn. For each of those cards, pay 4 life or put the card on top of your library.

Swords to Plowshares

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

Greater Realm of Preservation

{1}{W}: The next time a black or red source of your choice would deal damage to you this turn, prevent that damage.

Tsunami

Forest

Storm Seeker

Storm Seeker deals damage to target player equal to the number of cards in that player's hand.

Tormod's Crypt

{T}, Sacrifice Tormod's Crypt: Exile target player's graveyard.

Strip Mine

{T}: Add {C}.
{T}, Sacrifice Strip Mine: Destroy target land.

Plains

Llanowar Elves

Scavenger Folk

{G}, {T}, Sacrifice Scavenger Folk: Destroy target artifact.

Circle of Protection: Black

{1}: The next time a black source of your choice would deal damage to you this turn, prevent that damage.

Holy Light

Nonwhite creatures get -1/-1 until end of turn.

Dust to Dust

Fellwar Stone

{T}: Add one mana of any color that a land an opponent controls could produce.

Balance

Each player chooses a number of lands they control equal to the number of lands controlled by the player who controls the fewest, then sacrifices the rest. Players discard cards and sacrifice creatures the same way.

City of Brass

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