Promise of Loyalty
MKCMurders at Karlov Manor Commander/#79/2024RareReprint
Colour IDMV 5
Current paper retail
Card Kingdom$0.49
Cardmarket€0.25
TCGplayer$0.30
ManaPool$0.19
Buylist (dealers pay)
Card Kingdom$0.04
MTGO (Cardhoarder)
retail$0.78 tix
Paper retail history (USD)
3 providers
Latest $0.49High $0.59Low $0.49▲ 0.0%
Market and collecting
Market overview
$0.30TCGplayer, USD, retail, nonfoil
Latest observation: 2026-11-10
7d▲ 0.0%30d▲ 11.1%90d▼ 6.3%
90d high
$0.32
90d low
$0.24
Paper printings priced
13
Currently 3rd
Cheapest paper printing
$0.27
Marvel Super Heroes Commander
- Up 11.1% over the last 30 days on TCGplayer.
- Currently 6% below its 90 day high of $0.32.
- This printing is the 3rd cheapest paper printing currently priced (13 priced in total).
Find this printing on eBayView on TCGplayerAffiliate. MTGPrices may earn from qualifying eBay and TCGplayer purchases.
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Compare printings (13 priced)
Gameplay and rules
Sorcery
Each player puts a vow counter on a creature they control and sacrifices the rest. Each of those creatures can't attack you or planeswalkers you control for as long as it has a vow counter on it.
Card capabilities
Sorcery
Derived deterministically from card types, Oracle text and keywords. Not a strategic evaluation.
Format legality
Primary formats
Eternal formats
Digital formats
Rulings (3)
wotc16 Apr 2021
If the vow counter is moved to another creature, it won't prevent the second creature from attacking normally.
wotc16 Apr 2021
Each player, including you, must put a vow counter on a creature they control if able. They can't choose to opt out and sacrifice all of their creatures. The creature you put a vow counter on will remember its promise if another player gains control of it.
wotc16 Apr 2021
If the vow counter is removed from the creature, it can attack as normal.
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Ranked by shared capabilities, colour identity, mana value and type. Never by strategic judgement.
About this card
Promise of Loyalty
Promise of Loyalty is a Sorcery, with mana cost {4}{W} (mana value 5). Printed 13 times across MTG sets.
Format legality: Commander: legal, Modern: not_legal, Standard: not_legal, Pioneer: not_legal, Legacy: legal, Pauper: not_legal.
Current headline price on TCGplayer: $0.30 (up 11.1% over 30 days).
Frequently asked
Promise of Loyalty FAQ
How much is Promise of Loyalty worth?
The current TCGplayer USD retail price for Promise of Loyalty is $0.30. It is up 11.1% over the last 30 days. Over 90 days it has ranged from $0.24 to $0.32.
What is the cheapest printing of Promise of Loyalty?
The cheapest currently priced paper printing is from Marvel Super Heroes Commander at $0.27 on TCGplayer.
What is the most expensive printing of Promise of Loyalty?
The most expensive currently priced paper printing is from Commander 2021 at $2.69 on TCGplayer.
How many printings of Promise of Loyalty are there?
Promise of Loyalty has been printed 13 times in English paper sets that MTGPrices tracks.
What set was Promise of Loyalty first printed in?
The earliest English paper printing that MTGPrices tracks is from C21 #348, released 2021-04-23.
What is the newest printing of Promise of Loyalty?
The most recent English paper printing that MTGPrices tracks is from TRC #426, released 2026-11-13.
Is Promise of Loyalty legal in Commander?
Yes, Promise of Loyalty is currently legal in Commander per Scryfall's legality feed.
Is Promise of Loyalty legal in Modern?
Promise of Loyalty is not currently legal in Modern per Scryfall's legality feed.