({6} magic symbol) ({W} magic symbol) each turn available.
Steps
Cast Approach of the Second Sun by paying ({6} magic symbol) ({W} magic symbol) , causing you to gain seven life and put it into your library seventh from the top.
Activate Necroptoence seven times by paying seven life, exiling the top seven cards of your library.
At the beginning of your end step, Necropotence triggers, putting all cards exiled with it from your library into your hand.
During your cleanup step, if necessary, discard cards until you reach your maximum hand size, ensuring not to discard Approach of the Second Sun.
During your next turn, cast Approach of the Second Sun by paying ({6} magic symbol) ({W} magic symbol) , causing you to win the game.