Mishra's Factory

{T}: Add {C}.
{1}: This land 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.

Icy Manipulator

{1}, {T}: Tap target artifact, creature, or land.

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.

Aeolipile

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

Elves of Deep Shadow

{T}: Add {B}. This creature deals 1 damage to you.

Llanowar Elves

Argothian Pixies

This creature can't be blocked by artifact creatures.
Prevent all damage that would be dealt to this creature by artifact creatures.

Crumble

Destroy target artifact. It can't be regenerated. That artifact's controller gains life equal to its mana value.

Scavenger Folk

{G}, {T}, Sacrifice this creature: Destroy target artifact.

Terror

Destroy target nonartifact, nonblack creature. It can't be regenerated.

Strip Mine

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

Tranquility

Sinkhole

Giant Growth

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

Scryb Sprites

Pendelhaven

{T}: Add {G}.
{T}: Target 1/1 creature gets +1/+2 until end of turn.

Jayemdae Tome

Hurricane

Hurricane deals X damage to each creature with flying and each player.

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.)

Forest

Bayou

Maze of Ith

{T}: Untap target attacking creature. Prevent all combat damage that would be dealt to and dealt by that creature this turn.

Spitting Slug

Whenever this creature blocks or becomes blocked, you may pay {1}{G}. If you do, this creature gains first strike until end of turn. Otherwise, each creature blocking or blocked by this creature gains first strike until end of turn.

Tsunami

Swamp

Demonic Tutor

Search your library for a card, put that card into your hand, then shuffle.

Regrowth

Return target card from your graveyard to your hand.

Whirling Dervish

Protection from black
At the beginning of each end step, if this creature dealt damage to an opponent this turn, put a +1/+1 counter on it.