Cheapest priced copy (Double Masters): $0.99 at Card Kingdom, near mint, their price list as of .
Deepglow Skate 
Creature — Fish · 3/3 · Rare · The List · #CM2-39
When this creature enters, double the number of each kind of counter on any number of target permanents.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
8 printings · $0.99 to $7.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Double Masters | 48 | Rare | $0.99 | $4.99 |
| Commander 2016 | 7 | Rare | $1.49 | — |
| Commander Anthology Volume II | 39 | Rare | $0.99 | — |
| Commander Masters | 844 | Rare | $1.29 | — |
| Edge of Eternities Commander | 70 | Rare | $0.99 | — |
| The List | CM2-39 | Rare | $0.99 | — |
| Secret Lair Drop | 1093 | Rare | $5.99 | $7.99Out of stock |
| Secret Lair Drop (Man Ray, Eco Avenger) | 2362 | Rare | $6.49 | $5.49Out of stock |
3 rulings from Wizards of the Coast
- 7 August 2020To double the number of each kind of counter on a permanent, put another counter on it for each counter it already has. Effects that interact with counters being put onto permanents apply as appropriate.
- 7 August 2020You can choose no targets if you don't want to double the counters on any permanents.
- 7 August 2020As Deepglow Skate's ability resolves, you must double each kind of counter on the permanents it targets.