Siege Wurm

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)
Trample

Sandsower

Tap three untapped creatures you control: Tap target creature.

Selesnya Evangel

{1}, {T}, Tap an untapped creature you control: Create a 1/1 green Saproling creature token.

Scatter the Seeds

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)
Create three 1/1 green Saproling creature tokens.

Fists of Ironwood

Enchant creature
When this Aura enters, create two 1/1 green Saproling creature tokens.
Enchanted creature has trample.

Dowsing Shaman

{2}{G}, {T}: Return target enchantment card from your graveyard to your hand.

Vitu-Ghazi, the City-Tree

{T}: Add {C}.
{2}{G}{W}, {T}: Create a 1/1 green Saproling creature token.

Selesnya Sanctuary

This land enters tapped.
When this land enters, return a land you control to its owner's hand.
{T}: Add {G}{W}.

Conclave Phalanx

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)
When this creature enters, you gain 1 life for each creature you control.

Overwhelm

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)
Creatures you control get +3/+3 until end of turn.

Root-Kin Ally

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)
Tap two untapped creatures you control: This creature gets +2/+2 until end of turn.

Scion of the Wild

Scion of the Wild's power and toughness are each equal to the number of creatures you control.

Elvish Skysweeper

{4}{G}, Sacrifice a creature: Destroy target creature with flying.

Plains

Gather Courage

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)
Target creature gets +2/+2 until end of turn.

Centaur Safeguard

({G/W} can be paid with either {G} or {W}.)
When this creature dies, you may gain 3 life.

Conclave's Blessing

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)
Enchant creature
Enchanted creature gets +0/+2 for each other creature you control.

Nullmage Shepherd

Tap four untapped creatures you control: Destroy target artifact or enchantment.

Forest

Caregiver

{W}, Sacrifice a creature: Prevent the next 1 damage that would be dealt to any target this turn.

Selesnya Guildmage

{3}{G}: Create a 1/1 green Saproling creature token.
{3}{W}: Creatures you control get +1/+1 until end of turn.

Tolsimir Wolfblood

Other green creatures you control get +1/+1.
Other white creatures you control get +1/+1.
{T}: Create Voja, a legendary 2/2 green and white Wolf creature token.

Watchwolf

Dryad's Caress

You gain 1 life for each creature on the battlefield. If {W} was spent to cast this spell, untap all creatures you control.