Cheapest priced copy (Adventures in the Forgotten Realms): $3.49 at Card Kingdom, near mint, their price list as of .
Flumph 
Creature — Jellyfish · 0/4 · Rare · Adventures in the Forgotten Realms Promos · #15p
Defender, flying
Whenever this creature is dealt damage, you and target opponent each draw a card.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
5 printings · $3.49 to $27.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Adventures in the Forgotten Realms | 15 | Rare | $3.99 | $3.99 |
| Adventures in the Forgotten Realms | 361 | Rare | $3.49 | $5.99 |
| Adventures in the Forgotten Realms Promos | 15a | Rare | — | $27.99Out of stock |
| Adventures in the Forgotten Realms Promos | 15p | Rare | $10.99 | $6.99 |
| Adventures in the Forgotten Realms Promos | 15s | Rare | — | $5.99 |
4 rulings from Wizards of the Coast
- 23 July 2021Flumph's ability will trigger even if it is dealt lethal damage.
- 23 July 2021If the opponent is somehow an illegal target for Flumph's ability when it tries to resolve, neither player will draw a card.
- 23 July 2021Flumph's triggered ability is not optional. You must target an opponent if able.
- 23 July 2021Flumph's ability only triggers once each time it is dealt damage, even if multiple sources are dealing damage to it at once.