Snowdust Giant (ABYR-EN049) - Abyss Rising Unlimited

2 Level 4 WATER monsters // Once per turn: You can detach 1 Xyz Material from this card; reveal any number of WATER monsters from your hand, and place that many Ice Counters on face-up monsters on the field. Non-WATER monsters on the field lose 200 ATK for each Ice Counter on the field.