mtg cards that hurt yourself SentryBoxCards - TCG MTG Cube: May 2017

I am not surprised the two top spots are occupied by these two similar spells, as they both really shine in a variety of decks and almost always can hit something relevant and give you an early advantage

Flusterstorm Flusterstorm functions as a broad answer, but its especially good against Force of Negation

Since it's an instant, you simply pass your turn, wait until your opponent's upkeep, and then cast it, which is very close to getting an extra turn (the main difference is that your opponent will get to untap)

By this time, art for the Ice Age lands had already been commissioned but wouldnt be needed for a while, so one of those was snagged to be the new Plateau