Steve, Unsolicited Jollity

Ward {x}, where X is the number of verse
counters on Steve, Unsolicited Jollity. At the
beginning of your upkeep, put a verse counter
on Steve, Unsolicited Jollity.
Whenever a creature enters the battlefield, create
a gold token. Sacrifice {x} gold tokens: Search
your library for a nonland card with converted
mana cost X or less, put it into your hand,
and shuffle your library.