Lhurgoyf

Lhurgoyf's power is equal to the number of creature cards in all graveyards and its toughness is equal to that number plus 1.

Elvish Lyrist

{G}, {T}, Sacrifice Elvish Lyrist: Destroy target enchantment.

Priest of Titania

{T}: Add {G} for each Elf on the battlefield.

Spike Feeder

Spike Feeder enters with two +1/+1 counters on it.
{2}, Remove a +1/+1 counter from Spike Feeder: Put a +1/+1 counter on target creature.
Remove a +1/+1 counter from Spike Feeder: You gain 2 life.

Eladamri, Lord of Leaves

Other Elf creatures have forestwalk. (They can't be blocked as long as defending player controls a Forest.)
Other Elves have shroud. (They can't be the targets of spells or abilities.)

Might of Oaks

Target creature gets +7/+7 until end of turn.

Light of Day

City of Brass

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

Forest

Scragnoth

This spell can't be countered.
Protection from blue

Wall of Blossoms

Defender
When Wall of Blossoms enters, draw a card.

Disenchant

Harrow

As an additional cost to cast this spell, sacrifice a land.
Search your library for up to two basic land cards, put them onto the battlefield, then shuffle.

Clear

Destroy target enchantment.
Cycling {2} ({2}, Discard this card: Draw a card.)

Spreading Algae

Enchant Swamp
When enchanted land becomes tapped, destroy it.
When Spreading Algae is put into a graveyard from the battlefield, return Spreading Algae to its owner's hand.

Gaea's Cradle

{T}: Add {G} for each creature you control.

Plains

Armageddon

Repopulate

Shuffle all creature cards from target player's graveyard into that player's library.
Cycling {2} ({2}, Discard this card: Draw a card.)

Humble

Until end of turn, target creature loses all abilities and has base power and toughness 0/1.

Cradle Guard

Trample
Echo {1}{G}{G} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

Multani's Presence

Whenever a spell you've cast is countered, draw a card.

Hurricane

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

Brushland

{T}: Add {C}.
{T}: Add {G} or {W}. Brushland deals 1 damage to you.

Darkwatch Elves

Protection from black
Cycling {2} ({2}, Discard this card: Draw a card.)

Worship

If you control a creature, damage that would reduce your life total to less than 1 reduces it to 1 instead.

Rune of Protection: Red

{W}: The next time a red source of your choice would deal damage to you this turn, prevent that damage.
Cycling {2} ({2}, Discard this card: Draw a card.)

Llanowar Elves

Rune of Protection: Black

{W}: The next time a black source of your choice would deal damage to you this turn, prevent that damage.
Cycling {2} ({2}, Discard this card: Draw a card.)

Weatherseed Treefolk

Trample
When Weatherseed Treefolk dies, return it to its owner's hand.

Overrun

Creatures you control get +3/+3 and gain trample until end of turn. (Each of those creatures can deal excess combat damage to the player or planeswalker it's attacking.)