Tengu of Four Winds

Flying
{3}{w}{u}: Focus Chi 3.(Put 3 chi counters on this creature, it is focused for as long as it has a chi
counter on it. At the beginning of your upkeep,
remove a chi counter from this creature.)
As long as Tengu of Four Winds is focused, it
gets +1/+1 for each creature with flying on the battlefield.