A bit more mundane than the scores of horrors and demons we've just gone through in both Black and Blue, but I do like the idea of a giant grinning snake-hallucination with hands tormenting someone and screwing over their head
When opponents think they've stabilized behind blockers, a sky full of flying Insects can quickly prove otherwise
Violent Outburst has the secret text of turning Force of Negation into Cancel, meaning that as long as you go for it on the opponents turn you can easily beat the first counter
Never let a clever opponent leave you on ice
It's very unlikely to fizzle once the deck has two mana dorks, primarily by unearthing a Fatestitcher that it discards to Jeskai Ascendancy, and cards like Silence offer another layer of protection
That was the year Pokemon Go was launched, and everyone was playing this game