Samwell, The Acolyte

When Samwell, The Acolyte enters the
battlefield you may search your library for an
artifact and put it into play. It enters the
battlefield suspend.
(Rather than cast this card from your hand, exile it
with 3 time counters on it. At the beginning of your
upkeep, remove a time counter. When the last is
removed, cast it without paying its mana cost.
It has haste)