Mistform Seaswift
Creature — Illusion
Flying
: This creature becomes the creature type of your choice until end of turn.
Morph 
(You may cast this card face down as a 2/2 creature for 
. Turn it face up any time for its morph cost.)
- CMC
- 4
- Mana cost
- Color identity
- U
- Rarity
- common
- Set
- Legions
- Price
- $0.09
- EDHREC rank
- #30068
Mistform Seaswift is a 2/1 flying creature for three mana that can change its creature type for one blue — cheap enough to activate repeatedly, relevant enough to matter in tribal decks that care about type-switching. Outside of dedicated Illusion or changeling-adjacent shells, the body is too small and the effect too narrow to justify a slot.
Format Analysis
Where it lives, where it can’t
| Format | Verdict |
|---|---|
| commander | legal |
| legacy | legal |
| modern | not legal |
| pioneer | not legal |
| standard | not legal |
| vintage | legal |
| pauper | legal |
| oathbreaker | legal |
Mistform Seaswift sees essentially no competitive play in Legacy or Vintage — the stats don't support it and type-switching rarely matters in those formats. Pauper is its most viable home outside Commander, where budget tribal lists occasionally want redundant type-changers, though even there better options exist. In Commander, Mistform Seaswift belongs in a narrow category: tribal decks that need to toggle creature types for lord synergies or combo triggers, particularly Illusion tribal or decks built around Arcane Adaptation effects.
Key Combos
Combo lines featuring this card
Price Context
Current price
$0.09 bulk tier
At $0.09, Mistform Seaswift is deep bulk — the kind of card you pull from a common box rather than buy. That price reflects exactly what it is: a fringe-playable with a single niche application, and it's unlikely to move in either direction.
Explore
Sources
Mentioned
Updated . Data from Scryfall, EDHREC, and Commander Spellbook.