Burning-Tree Emissary

When Burning-Tree Emissary enters, add {R}{G}.

Tribal Flames

Domain — Tribal Flames deals X damage to any target, where X is the number of basic land types among lands you control.

Domain — Matca Rioters's power and toughness are each equal to the number of basic land types among lands you control.

Enchant land
When Nylea's Presence enters, draw a card.
Enchanted land is every basic land type in addition to its other types.

Flying
When Kor Skyfisher enters, return a permanent you control to its owner's hand.

Affinity for Forests (This spell costs {1} less to cast for each Forest you control.)

Wild Nacatl gets +1/+1 as long as you control a Mountain.
Wild Nacatl gets +1/+1 as long as you control a Plains.

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

Kird Ape gets +1/+2 as long as you control a Forest.

Lightning Bolt deals 3 damage to any target.

{T}, Sacrifice Terramorphic Expanse: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

{T}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.