Artemis, Goddess of the Moon

Indestructible
As long as your devotion to red and green is
less than seven, Artemis isn't a creature.
{x}{r/g}: Target creature with power X fights
another target creature.
When a creature you control dies, add X mana in
any combination of {r} and/or {g} to your mana
pool, where X is the converted mana cost of that creature.