Gullybed Pond

{t}: Create a treasure token and tap it. Treasure
tokens have "{t}, Sacrifice treasure token: Add
one mana of any color to your mana pool."
He stared down at the gully, captivated by his reflection, which twinkled and coalesced in a thousand colors back into his eyes. And just beneath the opaque
surface, Emry sat, staring back at him, spinning one
of the thousand coins littered on the pond bed between
her webbed fingers.