Echoing Courage

Target creature and all other creatures with the same name as that creature get +2/+2 until end of turn.

Scatter the Seeds

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.)
Create three 1/1 green Saproling creature tokens.

Thallid

At the beginning of your upkeep, put a spore counter on Thallid.
Remove three spore counters from Thallid: Create a 1/1 green Saproling creature token.

Khalni Garden

Khalni Garden enters tapped.
When Khalni Garden enters, create a 0/1 green Plant creature token.
{T}: Add {G}.

Sporemound

Landfall — Whenever a land you control enters, create a 1/1 green Saproling creature token.

Scion of the Wild

Scion of the Wild's power and toughness are each equal to the number of creatures you control.

Spinneret Sliver

Gemhide Sliver

All Slivers have "{T}: Add one mana of any color."

Tukatongue Thallid

When Tukatongue Thallid dies, create a 1/1 green Saproling creature token.

Thorn Thallid

At the beginning of your upkeep, put a spore counter on Thorn Thallid.
Remove three spore counters from Thorn Thallid: It deals 1 damage to any target.