Glacious Icetooth

Flying, Vigilance
Frostbreath — {3}{w}: Glacious Icetooth deals 4
damage to each creature your opponents control.
Tap those creatures. They don't untap during
their controllers' next untap steps.
"Icy breath, impenetrable scales—our valiant efforts shattered. Before him, we stood helpless, for Glacious
was an unyielding force, and our hopes froze in the
face of his indomitable might."