Gaimon and Sarfunkel

{t}, Sacrifice Gaimon and Sarfunkel:
Add one mana of any color to your mana pool. Play this ability as a mana source.

Gaimon, "Even if there's no treasure, there's something else I want to protect... I've shared hard times and happy times with these guys for 20 years. I can't leave them now," and "Now that I know there's no treasure, I somehow finally feel free"