Cheapest priced copy (Battlebond): $0.35 at Card Kingdom, near mint, their price list as of .
Frost Lynx 
Creature — Elemental Cat · 2/2 · Common · Magic 2015 · #55
When this creature enters, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step.
Legal inCommanderPioneerModernLegacyVintagePauper
Not legal inBrawlStandard
6 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Battlebond | 118 | Common | $0.35 | $0.49 |
| Ikoria: Lair of Behemoths | 51 | Common | $0.35 | $0.49 |
| Iconic Masters | 57 | Common | $0.35 | $0.49 |
| Magic 2015 | 55 | Common | $0.35 | $0.49 |
| Core Set 2020 | 62 | Common | $0.35 | $0.49 |
| The List | BBD-118 | Common | $0.35 | — |
One ruling from Wizards of the Coast
- 17 April 2020Frost Lynx’s triggered ability can target a creature that’s already tapped. That creature won’t untap during its controller’s next untap step.