Arkham Convergence

Arkham Convergence comes onto the battlefield
tapped.
{t}: Add {w}, {u}, or {b}
{1}{t}: Add {c}, {g}
Insanity 3, {r}{u}: Draw a Card, then Discard
a Card. (To pay an insanity cost, exile the
designated number of cards from the top of
your library).
"Only a few can divine where the old strait lines
meet, yet all feel their eldritch pull."