Salthor, the Orphan Bard

Salthor, the Orphan Bard enters the battlefield
with {x} +1/+1 counters on it.
When Salthor, the Orphan Bard enters the battlefield, you may search your library for any creature with converted mana cost {5} or less and
put it onto the battlefield.
{t}{3}{w/u}: put one +1/+1 counter on two target creatures