Ring of Spell Storing

When Ring of Spell Storing enters the battlefield,
you may banish an Instant or Sorcery spell with
mana cost {5} or less from your hand.
Ring of Spell Storing enters the battlefield
tapped.
{t}: Banish an Instant or Sorcery spell with
mana cost {5} or less from your hand.
{t}: You may cast a spell banished by Ring of
Spell Storing without paying its mana cost.