With the cards that burn for creatures entering the battlefield, your opponents' life totals will melt away and clear a path for victory.
When he breaches the surface once again, there will be hell to pay in Immersturm
Thats probably why we only see Meltdown in 3,794 decks, not even registering as a percentage point in number of decks that can play it
Earthquake and Shattering Spree are both fantastic at getting rid of massive amounts of permanents for little mana investment
Emerge in Modern, Cube, and Casual Play Elder Deep-Fiend has seen Modern experimentation, especially in older Simic or Temur shells that used value creatures and graveyard setup to power out tempo plays
Culling Dais is a one-time-per-turn deal, but it can help draw cards later in the game once you find a better outlet