Rith, the Awakener

Flying
Whenever Rith, the Awakener deals combat damage to a player, you may pay {2}{G}. If you do, choose a color, then create a 1/1 green Saproling creature token for each permanent of that color.

Thornscape Familiar

Red spells and white spells you cast cost {1} less to cast.

Thornscape Apprentice

{R}, {T}: Target creature gains first strike until end of turn.
{W}, {T}: Tap target creature.

Granger Guildmage

{R}, {T}: Granger Guildmage deals 1 damage to any target and 1 damage to you.
{W}, {T}: Target creature gains first strike until end of turn.

River Boa

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)
{G}: Regenerate River Boa.

Skyshroud Elf

Kavu Titan

Kicker {2}{G} (You may pay an additional {2}{G} as you cast this spell.)
If Kavu Titan was kicked, it enters with three +1/+1 counters on it and with trample.

Albino Troll

Echo {1}{G} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
{1}{G}: Regenerate Albino Troll.

Radiant Kavu

{R}{G}{W}: Prevent all combat damage blue creatures and black creatures would deal this turn.

Elvish Berserker

Whenever Elvish Berserker becomes blocked, it gets +1/+1 until end of turn for each creature blocking it.