Tatooine, Planet of Twin Suns

{t}: Add {r} or {w} to your mana pool.
Creatures you control get +1/+1 and first strike.
{1}{r/w}, {t}: Whenever a creature you control is dealt damage, it deals that much damage to target creature or player.
"Well, if there's a bright center to the universe, you're on the planet that it's farthest from." - Luke Skywalker