Penumbra Bobcat

When Penumbra Bobcat dies, create a 2/1 black Cat creature token.

Centaur's Herald

{2}{G}, Sacrifice Centaur's Herald: Create a 3/3 green Centaur creature token.

Forest

Yavimaya Sapherd

When Yavimaya Sapherd enters the battlefield, create a 1/1 green Saproling creature token.

Copperhorn Scout

Whenever Copperhorn Scout attacks, untap each other creature you control.

Basking Rootwalla

{1}{G}: Basking Rootwalla gets +2/+2 until end of turn. Activate only once each turn.
Madness {0} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Tukatongue Thallid

When Tukatongue Thallid dies, create a 1/1 green Saproling creature token.

Brindle Shoat

When Brindle Shoat dies, create a 3/3 green Boar creature token.