Unlike other similar huge seven-casting cost flyers (Blizzard Elemental, anyone?), it gave you the mana on the turn you played it to save it
With Jace, the Perfected Mind leaving Standard I like that this wrath-esque card also kind of doubles as a way to potentially win the game down the line
Its possible Karn, Scion of Urza or Tezzeret, Artifice Master artifact decks become quite popular, making Cleansing Nova even better
Mana Dork / Combo Subtheme One standout in the Defender Tribal support pool is Axebane Guardian (and a lesser extent, Overgrown Battlements), since it can tap for a huge amount of mana of any color
Another thing that design occasionally does, that development seldom does, is just start with a certain card or cards in the opening hand
Self-Destruct From MTG Final Fantasy Mana Value: 1R Rarity: Uncommon Type: Instant Card Text: Target creature you control deals X damage to any other target and X damage to itself, where X is its power