Sunpetal Grove

Sunpetal Grove enters tapped unless you control a Forest or a Plains.
{T}: Add {G} or {W}.

Whitemane Lion

Flash
When Whitemane Lion enters, return a creature you control to its owner's hand.

All lands become 2/2 creatures until end of turn. They're still lands.

({T}: Add {G} or {W}.)
Scattered Groves enters tapped.
Cycling {2} ({2}, Discard this card: Draw a card.)

{T}: Add {C}.
{T}: Add {G} or {W}. Talisman of Unity deals 1 damage to you.

When Wood Elves enters, search your library for a Forest card, put that card onto the battlefield, then shuffle.

Whenever a permanent you control enters tapped, untap it.