Enzo, Intoxicated Bard

When Enzo, Intoxicated Bard enters the
battlefield or attacks you may reveal the
top card of each target players library. Get
{e} and {g} for each card revealed this way.
Then choose target player, that player may
choose one of those cards and cast it without
paying it's mana cost or exile it. Repeat
choosing a different target player each time
until each card has been cast or exiled.
Pay {e}{e}{e}{e}: Enzo, Intoxicated Bard can't
be blocked.