Shadowfur, Cunning Hacker

Rogues you control have "{1}{t}: Hack."
(To hack, target opponent reveals a card from
their hand at random. That card remains revealed.
Before revealing a card, any player may pay {1}
to counter this hack.)
If you've hacked three or more times this turn,
Shadowfur has "{t}: Exile a hacked card."
You may play exiled non-land hacked cards
and use any mana color to play it.
-"Swift as wind, the prowler vanishes with his prey,
in zero days."