Castle of Aaargh Dark Depths

“<div class="SecretLair"><strong> Monty Python and the Holy Grail: Vol. 2</strong></div><br>Dark Depths enters the battlefield with ten ice counters on it. <br>3: Remove an ice counter from Dark Depths. <br>When Dark Depths has no ice counters on it, sacrifice it. If you do, create Marit Lage, a legendary 20/20 black Avatar creature token with flying and indestructible.”