Brendan, Railway Wanderer

First Strike, Vigilance
Brendan, Railway Wanderer has shroud as
long as you control 3 or less other creatures.
{u/r}{u/r}{2}{t}: Exile target creature until Brendan,
Railway Wanderer exits the battlefield.
{u/r}{u/r}{t}: Target player discards X cards where X is
the number of creature cards in their exile.