Forest

Saruli Caretaker

Defender
{T}, Tap an untapped creature you control: Add one mana of any color.

Kavu Primarch

Kicker {4} (You may pay an additional {4} as you cast this spell.)
Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)
If Kavu Primarch was kicked, it enters with four +1/+1 counters on it.

Shared Discovery

As an additional cost to cast this spell, tap four untapped creatures you control.
Draw three cards.

Guardian of Vitu-Ghazi

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)
Vigilance

Ral's Reinforcements

Create two 1/1 blue and red Elemental creature tokens.

Loam Dryad

{T}, Tap an untapped creature you control: Add one mana of any color.

Ornithopter

Mountain

Meeting of Minds

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)
Draw two cards.

Preening Champion

Flying
When Preening Champion enters, create a 1/1 blue and red Elemental creature token.

Citanul Stalwart

{T}, Tap an untapped artifact or creature you control: Add one mana of any color.