|Type(s)||Action - Spirit|
Reveal the top card of your deck. If it costs or less, put it into your hand.
(This is not in the Supply.)
Will-o'-Wisp is an Action-Spirit card from Nocturne. It's a lab variant that only draws an extra card if it's sufficiently cheap. The card is not in the Supply, but can be gained either by receiving The Swamp's Gift or by playing Exorcist. There are 12 copies of Will-o'-Wisp.
 Official FAQ
- If the revealed card does not cost or less, leave it on your deck.
- Cards with Alchemy and Empires) do not cost or less. or in the cost (from
 Other rules clarifications
 English versions
|+1 Card. +1 Action. Reveal the top card of your deck. If it costsor less, put it into your hand. (This is not in the Supply.)||Digital version has a cost ofrather than .||Nocturne||November 2017|
 Other language versions
 Secret History