Swamp Mosquito
Swamp Mosquito Price Summary
As of Aug 9, 2026, the cheapest tracked printing of Swamp Mosquito is $0.13 (ALL #63b), and the most expensive is $8.79 (TSB #49, Foil). The benchmark price (cheapest playable nonfoil) is $0.13, up 8.3% over 7 days, up 18.2% over 30 days, up 18.2% over 90 days. All-time tracked high: $0.14 (2025).
Swamp Mosquito Printings & Prices
Swamp Mosquito has 3 tracked printings across 2 sets, in nonfoil and foil finishes.
Sell Swamp Mosquito: Buylist Offers
Card Kingdom currently pays $1.75 cash for TSB #49 (Foil); the retail-buylist spread on that printing is 65% (wide).
| Buyer | Printing | Finish | Cash offer | Retail | Spread |
|---|---|---|---|---|---|
| Card Kingdom | TSB #49 | Foil | $1.75 | $4.99 | 65% |
| CoolStuffInc | TSB #49 | Foil | $1.50 | — | — |
| Card Kingdom | TSB #49 | Nonfoil | $0.11 | $0.69 | 84% |
| CoolStuffInc | TSB #49 | Nonfoil | $0.05 | — | — |
| Card Kingdom | ALL #63a | Nonfoil | $0.01 | $0.35 | 97% |
| Card Kingdom | ALL #63b | Nonfoil | $0.01 | $0.35 | 97% |
Swamp Mosquito Rules Text & Legality
Flying
Whenever this creature attacks and isn't blocked, defending player gets a poison counter. (A player with ten or more poison counters loses the game.)
Swamp Mosquito is legal in Modern, Legacy, Commander and Pauper, and not legal in Standard and Pioneer.
Swamp Mosquito Rulings
- Apr 15, 2013 An ability that triggers when something “attacks and isn’t blocked” triggers in the declare blockers step after blockers are declared if (1) that creature is attacking and (2) no creatures are declared to block it. It will trigger even if that creature was put onto the battlefield attacking rather than having been declared as an attacker in the declare attackers step.
- Oct 4, 2004 Triggers immediately after blocking is declared if at that time no blockers are assigned to it.
Reprints & Reprint Risk
Swamp Mosquito has been reprinted 4 times.
| Set | Date | Rarity | Treatment |
|---|---|---|---|
| TSB #49 | 2006-10-06 | Special | Standard |
| TSB #49 | 2006-10-06 | Special | Standard |
| ALL #63b | 1996-06-10 | Common | Standard |
| ALL #63a | 1996-06-10 | Common | Standard |
TSB #49 
ALL #63b Swamp Mosquito in Commander
Swamp Mosquito is the #18,944 most-played card on EDHREC, down 220 places over the last 30 days.
Swamp Mosquito FAQ
How much is Swamp Mosquito worth?
Swamp Mosquito is worth about $0.13 for its cheapest playable printing as of Aug 9, 2026. Prices range from $0.13 to $8.79 across 3 tracked printings.
Is Swamp Mosquito legal in Commander?
Yes — Swamp Mosquito is legal in Commander. It is also legal in Modern, Legacy and Pauper.
Has Swamp Mosquito been reprinted?
Yes — Swamp Mosquito has been reprinted 4 times, with 3 printings tracked on The Index.
Why is Swamp Mosquito cheap?
Swamp Mosquito trades at about $0.13 — 4 reprints keep supply plentiful, and Commander demand is modest (#18,944 on EDHREC).