Canopy Tactician

Other Elves you control get +1/+1.
{T}: Add {G}{G}{G}.

Forest

Giant Growth

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

Spellbook

Wildborn Preserver

Flash
Reach
Whenever another non-Human creature you control enters, you may pay {X}. When you do, put X +1/+1 counters on Wildborn Preserver.

Leyline of Abundance

If Leyline of Abundance is in your opening hand, you may begin the game with it on the battlefield.
Whenever you tap a creature for mana, add an additional {G}.
{6}{G}{G}: Put a +1/+1 counter on each creature you control.

Elvish Clancaller

Other Elves you control get +1/+1.
{4}{G}{G}, {T}: Search your library for a card named Elvish Clancaller, put it onto the battlefield, then shuffle.

Colossal Dreadmaw

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

Beast Whisperer

Whenever you cast a creature spell, draw a card.

Rampant Growth

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

Llanowar Tribe

Snow-Covered Forest

Thragtusk

When Thragtusk enters, you gain 5 life.
When Thragtusk leaves the battlefield, create a 3/3 green Beast creature token.

Reclamation Sage

When Reclamation Sage enters, you may destroy target artifact or enchantment.

Jaspera Sentinel

Reach
{T}, Tap an untapped creature you control: Add one mana of any color.