Cheapest priced copy (Conspiracy: Take the Crown): $0.35 at Card Kingdom, near mint, their price list as of .
Custodi Peacekeeper 
Creature — Human Cleric · 2/3 · Common · Conspiracy: Take the Crown · #14
Reveal this card as you draft it and note how many cards you've drafted this draft round, including this card.
{W}, {T}: Tap target creature with power less than or equal to the highest number you noted for cards named Custodi Peacekeeper.
Legal inCommanderLegacyVintagePauper
Not legal inBrawlStandardPioneerModern
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Conspiracy: Take the Crown | 14 | Common | $0.35 | $0.49 |
2 rulings from Wizards of the Coast
- 23 August 2016For example, if you draft Custodi Peacekeeper as the third card in a draft round and then another one as the sixth card in a draft round, each Custodi Peacekeeper's ability could tap a creature with power 6 or less.
- 23 August 2016If you gain control of a Custodi Peacekeeper, but you didn't draft one, the highest noted number is considered to be 0. You can only use it to tap creatures with power 0 or less.