Wild Growth

Enchant land
Whenever enchanted land is tapped for mana, its controller adds an additional {G}.

Sanctum Weaver

{T}: Add X mana of any one color, where X is the number of enchantments you control.

Enchant land
When Abundant Growth enters, draw a card.
Enchanted land has "{T}: Add one mana of any color."

Hexproof
Valgavoth's Lair enters tapped. As it enters, choose a color.
{T}: Add one mana of the chosen color.

Enchant land
Whenever enchanted land is tapped for mana, its controller adds an additional {G}{G}.

Whenever you cast an enchantment spell, you gain 1 life and draw a card.

Enchant land
Whenever enchanted land is tapped for mana, its controller adds an additional one mana of any color.