What happens if I use Skiploom's "Floral Path to the Sky" Ability but fail to find a Jumpluff in my deck?
Skiploom stays in play, and since you searched your deck the ability is used up for the turn.
Source: Lost Thunder FAQ (2018-10-20), TPCi Rules Team (2018-11-01)

Relevant cards

Note: All applicable cards may not be listed below.
SM8_13