Clever Concealment by paying at most ({2} magic symbol) ({W} magic symbol) ({W} magic symbol) , phasing out
Barren Glory until your next turn.
Cast
Kaervek's Spite by paying ({B} magic symbol) ({B} magic symbol) ({B} magic symbol) , discarding your hand, and sacrificing all permanents, causing target player to lose 5 life.
At the beginning of your next draw step,
Barren Glory phases in.
At the beginning of your next upkeep,
Barren Glory triggers, causing you to win the game.
Notes
You can use
Clever Concealment's convoke ability to reduce its cost, if desired.