Whisper of the Silent Flight

When Whisper of the Silent Flight enters the battlefield, until your next turn, noncreature
spells and activated abilities your opponents cast
cost {1} more.
{5}{b}, Exile Whisper of the Silent Flight from
your graveyard: Create a 1/1 white Bird creature
token with flying. Until your next turn,
noncreature spells and activated abilities your opponents cast cost {1} more.