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Marvel Super Heroes Commander

Promise of Loyalty

Sorcery

#142 All printings

Rare White

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.

And so was born the Fantastic Four! And from that moment on, the world would never again be the same!

Market estimate · ~24h

$0.24

Nonfoil $0.24 Cardmarket €0.19

TCGplayer & Cardmarket market price

Card data via Scryfall. Paper market figures use TCGplayer market price and Cardmarket values that Scryfall syncs from affiliates. View on Scryfall · How Scryfall prices work . Prices refresh about every 24 hours — useful estimates, not a live storefront and not an in-stock offer. Tappr is not the seller. Page checked 2026-11-02 20:50 UTC.

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