Your opponents always have the option to discard, thus you should expect them to make that choice most of the time, as the idea of whatever construct, robot, or vehicle coming down for free will scare your opponent
If one of your creatures disappoints you in battle, you can always use Summary Execution to sacrifice it to draw cards and gain life

Other printings of Dark Withering $0.65 Dark Withering Dominaria Remastered $0.23 Dark Withering Dominaria Remastered $0.77 Dark Withering Time Spiral Remastered $1.20 Dark Withering Time Spiral $0.12 Dark Withering Commander 2019 Most valuable cards in The List View the full price guide $109.34 Ancient Tomb The List $67.21 Vampiric Tutor The List $65.47 Shadowspear The List $63.32 Anointed Procession The List $59.31 Rhystic Study The List $58.11 Minamo, School at Water's Edge The List $57.28 Nykthos, Shrine to Nyx The List $55.15 Demonic Tutor The List More cards by Wayne Reynolds $133.19 Liliana, Heretical Healer // Liliana, Defiant Necromancer San Diego Comic-Con 2015 $126.89 Doubling Season Ravnica: City of Guilds $109.99 Dreadbore Ravnica Remastered $103.84 Silence Time Spiral Remastered $84.86 Chandra, Fire of Kaladesh // Chandra, Roaring Flame San Diego Comic-Con 2015 $83.76 Jace, Vryn's Prodigy // Jace, Telepath Unbound San Diego Comic-Con 2015 $72.04 Blightsteel Colossus Double Masters $61.69 Ashling, the Extinguisher Eventide SetThe List Most valuableTop 100 Magic: The Gathering cards You might also like...

While this card is already well worth building around, its going to get a whole lot better in a few days
But Dark Confidant really shines in life loss decks like Rowan, Scion of War and sacrifice decks that can easily get you out of the Bob business when you need to
For example, the Human Torch's ability takes the combat damage he does to an opponent and applies it to every opponent, whereas The Thing can double all counters on all permanents