Howling Wraiths

Flash

When Howling Wraiths enters the battlefield, it deals 3 damage to target attacking or blocking creature with flying.

Creatures you control have "Remove 3 soul counters: Deal damage equal to this creature's power to target creature with flying. This creature gains reach and +3/+0 until end of turn."

{4}{b}: Exile Howling Wraiths and return it to the battlefield transformed.