You have been invited to a fabulous vampire wedding! … A spooky new world is waiting for you.
Blood Tokens can get you value for sacrificing them. There are also tons of cards in the set that use these to great effect.
"Training" increases a creature's size by attacking with other more powerful creatures.
"Cleave" allows you to pay it's alternate Cleave cost, and all text in the square brackets can be ignored.
(Can be found in different boosters)
(Can be found in Collector boosters)