Ragnarok

Unstoppable Apocalypse (This card cannot be countered or destroyed except by itself)
This card gains a different affect each of your turn
Turn 1:Search your hand or library for Fenrir, Destroyer of Worlds and summon it for free
Turn 2:Summon 2 2/2 Wolf and 2 3/1 Snake creature token
Turn 3:Each player loses 2 basic lands. This card is destroyed