Magic: The Gathering · Commander: Star Trek

Promise of Loyalty

French name: Promesse de fidélité

426Rare

Promise of Loyalty (Commander: Star Trek 426) has a market price of US$0.44 as of Nov 9, 2026.

Sell this card

Price guide

The market price on TCGplayer, in US dollars: a guide, not an offer.

Market price

NormalUS$0.44Low US$0.40

As of Nov 9, 2026 · The market price is TCGplayer’s, in US dollars. It is a guide, not an offer.

Market price history

Price history starts Oct 15, 2026. A chart appears after two weeks.

Card details

Type: Sorcery
Mana cost: {4}{W}
Artist: Fajareka Setiawan

Card text

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.

Flavour text

"My mom says two heads are better than one. Isn't that the Borg philosophy, too?" -Naomi Wildman

About this card

Promise of Loyalty is card 426 in Commander: Star Trek, a Magic: The Gathering set releasing Nov 13, 2026. Rarity: Rare. Illustrated by Fajareka Setiawan. Reference market price on Nov 9, 2026: US$0.44. Since Nov 7, 2026, the Normal price went down 6.4%. Source: TCGplayer market data via tcgcsv.com, updated daily. A reference price is not an offer.

Articles about this card

MTG Star Trek release date, card list and pricesMTG Star Trek releases November 13, 2026 (MTG Arena November 10, prereleases since November 6). Card list, chase cards, pull rates and prices in USD and CAD.