Scalpers know that they aren't likely to make their money back by opening dozens of packs, but if they can buy all the available packs, they'll be able to set their own price to resell them to collectors, earning a tidy profit for little risk, but a hefty investment
There are 56 Secret Rare cards in the Temporal Forces set
Each booster pack contains 9 cards
The way I see it, these types of cards already lean towards creature-heavy decks, so you might as well play Winding WayWinding Way, Adventure AwaitsAdventure Awaits, or Lead the StampedeLead the Stampede
The modes allowed for greater flexibility and gave the spells higher utility, increasing their power level
Most retailers were on their last boxes, which makes sense since it was released last year