Lifeforce

Creeping Mold

Destroy target artifact, enchantment, or land.

Karplusan Strider

This creature can't be the target of blue or black spells.

Thresher Beast

Whenever this creature becomes blocked, defending player sacrifices a land of their choice.

Thoughtleech

Whenever an Island an opponent controls becomes tapped, you may gain 1 life.

Compost

Whenever a black card is put into an opponent's graveyard from anywhere, you may draw a card.

Forest

Freyalise's Charm

Whenever an opponent casts a black spell, you may pay {G}{G}. If you do, you draw a card.
{G}{G}: Return this enchantment to its owner's hand.

Spreading Algae

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

Mold Adder

Whenever an opponent casts a blue or black spell, you may put a +1/+1 counter on this creature.

Anaconda

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

Wild Growth

Enchant land
Whenever enchanted land is tapped for mana, its controller adds an additional {G}.

Pygmy Allosaurus

Bull Hippo

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

Scragnoth

This spell can't be countered.
Protection from blue

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.

Gorilla Berserkers

Trample; rampage 2 (Whenever this creature becomes blocked, it gets +2/+2 until end of turn for each creature blocking it beyond the first.)
This creature can't be blocked except by three or more creatures.

Nature's Lore

Search your library for a Forest card, put that card onto the battlefield, then shuffle.

Pale Bears

Tsunami

Spellbane Centaur

Creatures you control can't be the targets of blue spells or abilities from blue sources.

Essence Filter

Destroy all enchantments or all nonwhite enchantments.

Monstrous Growth

Target creature gets +4/+4 until end of turn.

Centaur Rootcaster

Whenever this creature deals combat damage to a player, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.