Rulthil the Nightmare

Kicker {x}{w/b}{w/b} (You may pay {x} as you cast this spell, where {x} is number of cards in your graveyard.)
Menace, Reach, Haste
Whenever Rulthil of the Nighmare is kicked, it creates X 1/1 Nightmare Beast tokens, where X is the number of cards in your graveyard.
Whenever Rulthil of the Nightmare enter the battlefield, each player draws one card and mills four cards.
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"Don't peer too far, for the Nightmare watches..."