Effect
You can Special Summon this card (from your hand) by removing 4 Ice Counters from anywhere on the field. Other monsters with Ice Counters cannot attack or change their battle positions.
The monster effect "You can Special Summon this card (from your hand) by removing 4 Ice Counters from the field" is not classified as an Ignition Effect, Trigger Effect, Quick Effect, or Continuous Effect.
A Chain Link is not created when Special Summoning "Snowdust Dragon" with its own monster effect.
When Special Summoning "Snowdust Dragon" with its own monster effect, you remove a total of 4 Ice Counters from your side of the field and/or your opponent's side of the field.
The monster effect "While this card is face-up on the field, monsters with Ice Counters, except this card, cannot attack or change their battle positions" is a Continuous Effect.
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