Bell of Rejoicement

When Bell of Rejoicement enters the battlefield
you may look at the top 5 cards of your library
and choose up to one instant, one sorcery, and
one enchantment from among them and put
them into your hand. Put the rest on the bottom
of your library in any order.
Instant, sorcery and enchantment spells you
control cost {1} less to cast.