Metamorphosis
{G}
Sorcery
As an additional cost to cast ~this~, sacrifice a creature.
Add X mana of any one color, where X is 1 plus the sacrificed creature's mana value. Spend this mana only to cast creature spells.
Shaman of Forgotten Ways
{2}{G}
Creature -- Human Shaman
2/3
{T}: Add two mana in any combination of colors. Spend this mana only to cast creature spells.
Formidable -- {9}{G}{G}, {T}: Each player's life total becomes the number of creatures they control. Activate only if creatures you control have total power 8 or greater.