Dreamer of Gain

Dream {g}{g} (This creature enters asleep, becomes an enchantment and is no longer a creature until it wakes up.
Pay its dream cost to wake it up.)

{t}, Tap an untapped enchantment or creature you control: Add {g}. Activate this ability only if Dreamer of Gain is asleep.

When Dreamer of Gain wakes up, you may tap any number of other untapped enchantments and/or creatures you control. Add one mana of any color for each permanent tapped this way.