Stand Firm
Duel Decks: Heroes vs. Monsters · #21

Stand Firm

Stand Firm is a Common Instant from Duel Decks: Heroes vs. Monsters (21) in Magic: The Gathering. Mana cost {W}. Color identity: W. Cactaur's latest catalog snapshot shows a market reference near $0.12 for ungraded copies.

Duel Decks: Heroes vs. Monsters set collectorsBulk and playset buyers [object Object][object Object][object Object][object Object][object Object][object Object]
TCGPlayer market $0.12
Cardmarket trend €0.08
Rarity Common
App coming soon

Who is this card for?

Stand Firm suits collectors and players working on Duel Decks: Heroes vs. Monsters who need the Common slot. This is typically a low-cost slot for master sets; avoid overpaying unless you need a specific finish or near-mint condition.

What is Stand Firm from Duel Decks: Heroes vs. Monsters?

Stand Firm is a Instant in Duel Decks: Heroes vs. Monsters numbered 21. Mana cost {W}. Color identity: W. Stand Firm (21) from Duel Decks: Heroes vs. Monsters should be evaluated with set context, mana cost, color identity, and condition together. This printing is from Duel Decks: Heroes vs. Monsters.

What is Stand Firm worth today?

Cactaur tracks a market reference near $0.12 for Stand Firm. Low and high spread runs $0.12 to null. Per-finish references: cardmarket: $0.08; Normal: $0.12. This printing is from Duel Decks: Heroes vs. Monsters. Collector number 21 distinguishes this printing from same-name cards in other sets.

SetDuel Decks: Heroes vs. Monsters
Number21
RarityCommon
TCGPlayer USD$0.12
Cardmarket EUR€0.08
cardmarket $0.08
Normal $0.12

Card stats

ColorsW

How collectible is Stand Firm?

Stand Firm is a Common printing in Duel Decks: Heroes vs. Monsters. Master set builders use collector number and set symbol to track completion progress. This printing is from Duel Decks: Heroes vs. Monsters. Collector number 21 distinguishes this printing from same-name cards in other sets.

What are the key details for Stand Firm?

Stand Firm lists as Instant with keywords Scry. Artist: Matt Cavotta. Rules text is indexed in the catalog for search and deck research. This printing is from Duel Decks: Heroes vs. Monsters. Collector number 21 distinguishes this printing from same-name cards in other sets.

Cactaur's take

Stand Firm (21) from Duel Decks: Heroes vs. Monsters should be evaluated with set context, mana cost, color identity, and condition together.

Pros

  • Stand Firm is catalogued as Common Instant in Duel Decks: Heroes vs. Monsters, making set and collector number verification straightforward.
  • Public market data shows a reference near $0.12 across finishes (cardmarket: $0.08; Normal: $0.12).
  • Mana cost {W} and type line Instant help deck builders confirm the correct printing quickly.

Cons

  • Raw market prices vary by condition and finish — near-mint estimates are not slab grades.

Verdict: Treat this as a low-stakes master-set slot unless you are paying for gem condition or a specific finish.

FAQ

What is Stand Firm from Duel Decks: Heroes vs. Monsters?

Stand Firm is a Common Instant from Duel Decks: Heroes vs. Monsters numbered 21 in Magic: The Gathering. Cactaur indexes set, rarity, mana cost, and market references for this printing.

How much is Stand Firm worth?

Cactaur's catalog snapshot shows a market reference near $0.12 for ungraded Stand Firm. Condition, finish, and recent sold comps can move realized prices above or below that benchmark.

What rarity is Stand Firm?

Stand Firm is catalogued as Common in Duel Decks: Heroes vs. Monsters. Use the collector number and set symbol on listings to confirm you are buying this exact printing.

Is Stand Firm legal in Commander or Standard?

Stand Firm shows format legality in modern, legacy, pauper, vintage based on our latest ingest. Always verify the exact printing and ban-list updates before registering a deck for an event.

Should I buy Stand Firm near mint or played?

Near-mint copies command the catalog reference near $0.12. Heavily played copies trade lower unless the card is a chase rare where any clean copy is scarce.

Related cards

Trust & data sources. Cactaur displays catalog and market data from pokemontcg.io embedded TCGPlayer/Cardmarket references. Prices change frequently and are not guarantees.

Cactaur does not authenticate cards or guarantee values. Scan your copy in the iPhone app for condition-aware guidance.

Catalog snapshot: 2026-06-23. Last updated: 2026-06-23.