Nae'Theras, Devourer of Sanity

Cost {1} less for each turn ahead of your turn.
When you cast Nae'theras, take control of each
turn untill your next turn.
Flash, Hexproof, This spell can't be countered.
Annihilator 2
You can't lose the game.
Nae'Theras always searches for ripples in time...
Pray he won't find yours...