vanis, chained by matter

at the beginning of your upkeep, scry X where
X is the amount of nonland permanents
you control but don't own.
{3}{u}: gain control of target nonland permanent,
put a chain counter on it.
activate this ability only if you control less then 4
permanents with chain counters.
—
he searches his belongins in the chains of vapor.
-kaya, ghost assassin