Regrowth

Return target card from your graveyard to your hand.

Forest

Elvish Archers

Giant Growth

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

Instill Energy

Enchant creature
Enchanted creature can attack as though it had haste.
{0}: Untap enchanted creature. Activate only during your turn and only once each turn.

Craw Wurm

Prevent all combat damage that would be dealt this turn.

Enchant creature (Target a creature as you cast this. This card enters attached to that creature.)
Enchanted creature gets +0/+2 and has reach. (It can block creatures with flying.)

War Mammoth

Llanowar Elves

Stream of Life

Giant Spider

Reach (This creature can block creatures with flying.)

Birds of Paradise

Aspect of Wolf

Enchant creature
Enchanted creature gets +X/+Y, where X is half the number of Forests you control, rounded down, and Y is half the number of Forests you control, rounded up.