one piece romance dawn japanese booster box and 2 Legacy of the Master booster packs ONE PIECE TCG: THE TIME

Sapphire does offer some powerful options to build up inkwells quickly, however, and if Mufasa - Ruler of Pride Rock is waiting in the wings, playing the long gambit could well be worth it

Apart from that, Professor of Zoomancy doesnt offer much

Otherwise, this is a fine if not great Stone Rain variation

If you must have an answer right away, yes the mastery pass is worth it, though how often you play affects how much value the pass has for you

The same is true of the delve mechanic and the Phyrexian mana mechanic, and while neither of these mechanics ended up needing to be banned while in Standard, both are right on the border, and one slight miss could lead to major problems and bannable cards

Do you have a favorite sleeve not mentioned here