First custom booster is done. For those who are curious, here's exactly what I wrote down:

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CB1: Time's running low  (Pack total: 50)

A new threat rises up from the most unexpected of places! Machines filled with mechanisms of time run amok, and are spreading chaos everywhere! Brave warriors have risen up to the occasion, but there are a group of peculiar spellcasters lurking in the shadows...

RARES: 9
(1) Chaos Emissary, Emperor Dragon (Ghost rare)
(2) Void End Dragon (Super Rare)
(3) Void Twin Dragon (Rare)
(4) Soaring Knight Parshath (Rare)
(5) Chaos Emissary, Lady Nox (Parallel Rare)
(6) Chaos Emissary, Mortuus (Rare)
(7) Legendary Clockwork, Big Ben (Mega Rare)
(8) Clockwork, Celestial (Rare)
(9) The Ancient Pharaoh (Rare)

COMMONS(RISE UP! FIGHT AGAINST THOSE TOPS DOGS!): 41

(10) The Staff of Prophecy
(11) The Ring of Prophecy
(12) Chaos Emissary, Umbra
(13) Chaos Emissary, Chaos Caller
(14) Squire Parshath
(15) Chaos Emissary, Gateway
(16) Chaos Emissary, Prophet
(17) Chaos Emissary, Erebus
(18) Soul Swordsman
(19) Raven Swordsman
(20) Clockwork, Magi
(21) Clockwork, Cogmaster's Apprentice
(22) Clockwork, Winding Key
(23) Clockwork Longhand
(24) Clockwork Cogmaster
(25) Clockwork King
(26) Nova Caller
(27) Void Dragon
(28) Spellbook of Resonance
(29) The Coming of Chaos
(30) Winding the Clock
(31) And The Clock Struck Twelve.
(32) Time Warp
(33) Sharpened Blades
(34) Spellbook of Hope
(35) Into the Breach 
(36) Overclocking
(37) Strike Force Alpha, Beta, Charlie, Delta, Evac
(38) Chronoreverse
(39) Living On Borrowed Time
(40) Demachination
(41) Sudden Denial
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