Among some of the first is Reassembling Skeleton, producing what comes down to the exact same effect as Drudge Skeletons with much less hassle
WotC had to be happy with the overall Twitch viewership, which was far higher than forwell, pretty much any other Magic-related thing ever
Being a Vehicle means you need to crew it, taking one of your other creatures out of combat in order to attack with it
When you need card quality but have no good burn targets
It would be terrible to buy Legacy Delver only to discover youd rather play Reanimator
The same is true for first strike and a sword, vigilance and a shield, menace and mean eyes, trample and horns, deathtouch and claws, lifelink and fangs, and haste and footwear. Were pretty sure you can manage each of these features, but were not sure we could