Triumph of Saint Katherine (Warhammer 40,000 Commander)

Creature Ñ Human Warrior - Lifelink
Praesidium Protectiva Ñ When this creature is put into your graveyard from the battlefield, exile it and the top six cards of your library in a face-down pile. If you do, shuffle that pile and put it back on top of your library.
Miracle {1}{W} (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.)