Cheapest priced copy (Modern Horizons 2): $0.35 at Card Kingdom, near mint, their price list as of .
Constable of the Realm 
Creature — Giant Soldier · 3/3 · Uncommon · March of the Machine Commander · #179
Renown 2 (When this creature deals combat damage to a player, if it isn't renowned, put two +1/+1 counters on it and it becomes renowned.)
Whenever one or more +1/+1 counters are put on this creature, exile up to one other target nonland permanent until this creature leaves the battlefield.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
2 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Modern Horizons 2 | 10 | Uncommon | $0.35 | $0.49 |
| March of the Machine Commander | 179 | Uncommon | $0.35 | — |
7 rulings from Wizards of the Coast
- 18 June 2021If a token creature is exiled this way, it will cease to exist and won't return to the battlefield.
- 18 June 2021Renown won't trigger when a creature deals combat damage to a planeswalker or another creature. It also won't trigger when a creature deals noncombat damage to a player.
- 18 June 2021If Constable of the Realm leaves the battlefield before its last triggered ability resolves, the target permanent won't be exiled.
- 18 June 2021Constable of the Realm's last ability triggers whenever a +1/+1 counter is put on it for any reason, not just because of its renown ability.
- 18 June 2021Auras attached to the exiled permanent will be put into their owners' graveyards. Equipment attached to it will become unattached and remain on the battlefield. Any counters on the exiled permanent will cease to exist.
- 18 June 2021If a creature with renown deals combat damage to its controller because that damage was redirected, renown will trigger.
- 18 June 2021All permanents exiled by Constable of the Realm will return to the battlefield at the same time, and each one will enter under its owner's control.