Octopus Garden

{t}: Add {c}. If there are three or more cards you own in exile, add {u} instead.
{t}, Discard a card: Cache the bottom card of
your library. (Exile it face down. It gains "This
card's owner may look at it and choose to put it on top of their library at any time.")
"We would sing and dance around, / Because we
know we can't be found!" -Richard Starkey