Discovery / Dispersal Discovery was an overpriced Preordain, which is probably good enough with the upside of being able to cast Dispersal later in the game to answer a key threat
Skullcrack deals 3 damage to target player or planeswalker
Lay Out Your Card Position your art, add a name, a frame, or text, and preview the full 2.5" x 3.5" card exactly as it will print
There are plenty of great removal spells just like this that can fit the flavor of any deck that wants them (Eaten Alive for a zombie deck, for example)
You can, however, pay additional costs, such as bargain
That's what happens when you combine Tinker (which could get out the Jar almost immediately) with Megrim (so that your opponent would take 14 damage from a single Jar discard, assuming they could not play any cards in time)