M19 booster pack. 15 cards per pack.
This set contains many great cards such as:
Nicol Bolas, the Ravager / Nicol Bolas, the Arisen
Scapeshift
Tezzeret, Artifice Master
Liliana, Untouched by Death
Omniscience
Crucible of Worlds
Resplendent Angel
Tezzeret, Artifice Master
No card is guaranteed in a booster or box but these are some of the great cards you could get