Border of Mann

{t}, Sacrifice Border of Mann: Reveal one of each
the basic land types in your library. Put one from
among them at random into play and shuffle the
rest into our library.
Rainbow -{t}, Sacrifice Border of Mann: Exile a
creature you control. Return it to play at end
of turn. (As long as one mono-color permanent of
each color is in play, the game has rainbow.)
"A Leap over Aridean's wall won't get you into their
fair land. You just land back on this side of the wall,
but a ways away."