Golden Hind

Heart Warden

{T}: Add {G}.
{2}, Sacrifice Heart Warden: Draw a card.

Birds of Paradise

Bear Umbra

Enchant creature
Enchanted creature gets +2/+2 and has "Whenever this creature attacks, untap all lands you control."
Umbra armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)

Circle of Dreams Druid

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

Fyndhorn Elder

Ashaya, Soul of the Wild

Ashaya, Soul of the Wild's power and toughness are each equal to the number of lands you control.
Nontoken creatures you control are Forest lands in addition to their other types. (They're still affected by summoning sickness.)

Elvish Mystic

Mana Reflection

If you tap a permanent for mana, it produces twice as much of that mana instead.

Harvester Druid

{T}: Add one mana of any color that a land you control could produce.

Nissa, Who Shakes the World

Whenever you tap a Forest for mana, add an additional {G}.
+1: Put three +1/+1 counters on up to one target noncreature land you control. Untap it. It becomes a 0/0 Elemental creature with vigilance and haste that's still a land.
−8: You get an emblem with "Lands you control have indestructible." Search your library for any number of Forest cards, put them onto the battlefield tapped, then shuffle.

Llanowar Elves

Azusa, Lost but Seeking

You may play two additional lands on each of your turns.

Nyxbloom Ancient

Trample
If you tap a permanent for mana, it produces three times as much of that mana instead.

Boreal Druid

Druid of the Cowl

Fyndhorn Elves

Unnatural Growth

At the beginning of each combat, double the power and toughness of each creature you control until end of turn.

Selvala, Heart of the Wilds

Whenever another creature enters, its controller may draw a card if its power is greater than each other creature's power.
{G}, {T}: Add X mana in any combination of colors, where X is the greatest power among creatures you control.

Greenweaver Druid

Elfhame Druid

{T}: Add {G}.
{T}: Add {G}{G}. Spend this mana only to cast kicked spells.

Omnath, Locus of Mana

You don't lose unspent green mana as steps and phases end.
Omnath, Locus of Mana gets +1/+1 for each unspent green mana you have.

Devoted Druid

{T}: Add {G}.
Put a -1/-1 counter on Devoted Druid: Untap Devoted Druid.

Copper Myr

Canopy Tactician

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

Ilysian Caryatid

{T}: Add one mana of any color. If you control a creature with power 4 or greater, add two mana of any one color instead.