Rage of the Abyss splashes down with 100 new cards in total, including the second wave for the World Premiere theme that debuted in The Infinite Forbidden. It also continues the 25th Anniversary Celebration by including 25 Quarter Century Secret Rares, including 1 special card!
Rage of the Abyss core booster set looks like this:
10 Secret Rares
14 Ultra Rares
26 Super Rares
50 Commons
(24 of these cards are also available as Quarter Century Secret Rare and 1 special card is ONLY available as a Quarter Century Secret Rare!)
*Set contents are subject to change