Nettle Sentinel

Nettle Sentinel doesn't untap during your untap step. Whenever you play a green spell, you may untap Nettle Sentinel.

Sprout Swarm

Convoke (Each creature you tap while playing this spell reduces its total cost by {1} or by one mana of that creature's color.) Buyback {3} (You may pay an additional {3} as you play this spell. If you do, put this card into your hand as it resolves.) Put a 1/1 green Saproling creature token into play.

Burning-Tree Emissary

When Burning-Tree Emissary enters the battlefield, add {R}{G} to your mana pool.

Living Totem

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 Living Totem enters the battlefield, you may put a +1/+1 counter on another target creature.

Spidersilk Armor

Creatures you control get +0/+1 and may block as though they had flying.

Scatter the Seeds

Convoke (Each creature you tap while playing this spell reduces its cost by {1} or by one mana of that creature's color.) Put three 1/1 green Saproling creature tokens into play.

Dynacharge

Target creature you control gets +2/+0 until end of turn. Overload {2}{R} (You may cast this spell for its overload cost. If you do, change its text by replacing all instances of "target" with "each.")

Nest Invader

When Nest Invader enters the battlefield, put a 0/1 colorless Eldrazi Spawn creature token onto the battlefield. It has "Sacrifice this creature: Add {1} to your mana pool."

Mogg War Marshal

Echo {1}{R} (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.) When Mogg War Marshal comes into play or is put into a graveyard from play, put a 1/1 red Goblin creature token into play.

Lightning Bolt

Lightning Bolt does 3 damage to one target.

Khalni Garden

Khalni Garden enters the battlefield tapped. When Khalni Garden enters the battlefield, put a 0/1 green Plant creature token onto the battlefield. {T}: Add {G} to your mana pool.

Thermo-Alchemist

Might of the Masses

Target creature gets +1/+1 until end of turn for each creature you control.

Rugged Highlands

Rugged Highlands enters the battlefield tapped. When Rugged Highlands enters the battlefield, you gain 1 life. {T}: Add {R} or {G}.

Mountain

({T}: Add {R}.)

Forest

({T}: Add {G}.)