Cheapest priced copy (Starter Commander Decks): $0.49 at Card Kingdom, near mint, their price list as of .
Ever-Watching Threshold 
Enchantment · Rare · Commander 2018 · #9
Whenever an opponent attacks, if they attacked you and/or a planeswalker you control, draw a card.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
2 printings · $0.49 to $0.69 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Commander 2018 | 9 | Rare | $0.69 | — |
| Starter Commander Decks | 50 | Rare | $0.49 | — |
One ruling from Wizards of the Coast
- 13 July 2018You’ll draw only one card for each opponent attacking you or your planeswalkers, no matter how many creatures they’re attacking with. If multiple opponents are attacking you or your planeswalkers at once, you’ll draw one card for each of those opponents.