Cherry Violetta

Equipped creature has "{t}, pay 2 life, remove a detuned counter from Cherry Violetta: Add {c}" and "{t}: Add two mana of any one color.
Activate only if Cherry Violetta has no detuned counters on it."
Equip-Put a detuned counter on Cherry Violetta.
It has a wonderful timbre, just don't get it wet . . .
or leave it out in the sun, or play it too much, or . . .