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.

Quirion Ranger

Return a Forest you control to its owner's hand: Untap target creature. Activate only once each turn.

Striped Bears

Rampant Growth

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Uktabi Orangutan

When Uktabi Orangutan enters, destroy target artifact.

Harvest Wurm

When Harvest Wurm enters, sacrifice it unless you return a basic land card from your graveyard to your hand.

City of Solitude

Players can cast spells and activate abilities only during their own turns.

Rogue Elephant

When Rogue Elephant enters, sacrifice it unless you sacrifice a Forest.

Gaea's Touch

{0}: You may put a basic Forest card from your hand onto the battlefield. Activate only as a sorcery and only once each turn.
Sacrifice Gaea's Touch: Add {G}{G}.

Avoid Fate

Counter target instant or Aura spell that targets a permanent you control.

Jungle Basin

Jungle Basin enters tapped.
When Jungle Basin enters, sacrifice it unless you return an untapped Forest you control to its owner's hand.
{T}: Add {C}{G}.

Giant Growth

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

Dense Foliage

Creatures can't be the targets of spells.

Llanowar Elves

Forest

Llanowar Sentinel

When Llanowar Sentinel enters, you may pay {1}{G}. If you do, search your library for a card named Llanowar Sentinel, put that card onto the battlefield, then shuffle.

Briar Shield

Enchant creature
Enchanted creature gets +1/+1.
Sacrifice Briar Shield: Enchanted creature gets +3/+3 until end of turn.

Sylvan Hierophant

When Sylvan Hierophant dies, exile Sylvan Hierophant, then return another target creature card from your graveyard to your hand.

Fallow Wurm

When Fallow Wurm enters, sacrifice it unless you discard a land card.

Worldly Tutor

Search your library for a creature card, reveal it, then shuffle and put the card on top.