Bottle of Frost

Bottle of Frost enters the battlefield with three
Rime counters on it.
{t}, Remove a Rime counter from Bottle of Frost:
Tap target permanent, it doesn't untap during its controller's next untap step.
{2}, {t}: Put a Rime counter onto Bottle of Frost.
"Excellent, the Rimestone is functioning as expected despite the cold-proof capsule."