Rimescale Dragon

Snow Creature - Dragon 5/5, 5RR (7)
Flying

{2}{snow}: Tap target creature and put an ice counter on it. ({snow} can be paid with one mana from a snow permanent.)

Creatures with ice counters on them don't untap during their controllers' untap steps.¹
Illus. Jeff Easley

Gatherer Card Rulings [Nov 2009]

• 7/15/2006: Rimescale Dragon's last ability affects all permanents with ice counters on them, whether or not it put the ice counters on them.

Format Legality	Legal in Vintage, Legacy, Extended, MTGO Classic Banned in Standard
Printings (1/9)	Coldsnap (Rare)