each Collector Booster contains 15 Magic: The Gathering cards
Evaluate the extent to which you need card draw in your deck
Notably, Chapter III will whiff unless the player has some good attackers ready to go, so players might wait to play The Huntsman's Redemption until they already have worthwhile attackers or are sure they'll soon get such creatures in time for Chapter III
If the greatest power among creatures you control is 0 or less at that time, you will not draw any cards
The ability to take up only one slot, but have 5 ways of finding it is appealing, upping the odds you'll have it just when you need it against Reanimator or Living End
However, for a cost of 5 black mana, it would likely be too slow and susceptible to removal in competitive play