Cheapest priced copy (Phyrexia: All Will Be One): $0.35 at Card Kingdom, near mint, their price list as of .
Planar Disruption 
Enchantment — Aura · Common · The List · #ONE-28
Enchant artifact, creature, or planeswalker
Enchanted permanent can't attack or block, and its activated abilities can't be activated.
Legal inCommanderPioneerModernLegacyVintagePauper
Not legal inBrawlStandard
2 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Phyrexia: All Will Be One | 28 | Common | $0.35 | $0.49 |
| The List | ONE-28 | Common | $0.39 | — |
One ruling from Wizards of the Coast
- 4 February 2023Activated abilities contain a colon. They're generally written "[Cost]: [Effect]." Some keywords are activated abilities and will have colons in their reminder text. Notably, loyalty abilities of planeswalkers are activated abilities.