Gaea's Cradle

{T}: Add {G} for each creature you control.

Joraga Treespeaker

Level up {1}{G} ({1}{G}: Put a level counter on this. Level up only as a sorcery.)
LEVEL 1-4
1/2
{T}: Add {G}{G}.
LEVEL 5+
1/4
Elves you control have "{T}: Add {G}{G}."

Primeval Titan

Trample
Whenever Primeval Titan enters or attacks, you may search your library for up to two land cards, put them onto the battlefield tapped, then shuffle.

Mox Emerald

Llanowar Elves

Elvish Mystic

Rofellos, Llanowar Emissary

{T}: Add {G} for each Forest you control.