This would mean that either the 2nd and 3rd variations overlapped each other as wotc was shipping out the last of the shadowless cards or perhaps there were two different facilities producing these boxes at the same time to keep up with demand which lead to the inconsistency
JACKSONVILLE, Fla
Up to 1 card from the Power group (Ancestral Recall, Balance, Braingeyser, Chaos Orb, Mind Twist, Time Walk, Timetwister and Wheel of Fortune)
If this card on the field is destroyed by a card effect and sent to the Graveyard: You can target 1 Level 4 or lower DARK monster in your Graveyard
It only lasts until you upkeep as mentioned, but then you get an unblockable creature
I got the chance to sit in on a press preview with the Wizards of the Coast design team showing off tons of sneak peeks from the set, so follow along as I run through some seriously cool Secrets of Strixhaven new cards