limited edition touch n go card 'n (TNG) has released a new NFC that comes with an LED light imbedded in it. The card aptly features a dark design with a small lightbulb Embrace Elegance through Touch 'n

It also has a throwback to the kindred elemental theme of third resolutions of their abilities (see Soulbright Flame-Kin or Ashling, the Pilgrim)

Unlike Fireblast which is nearly unplayable for its actual cost and requires two mountain to sacrifice thus making it very hard to play outside of heavy red decks the Lava Dart only needs half the number of mountains and only to use half of the card thus making it far easier to play in RX decks

White Snake OP06-059 Event Blue 2 Cost [Counter] Up to 1 of your Leader or Character cards gains +1000 power during this turn, and draw 1 card

As some of the most powerful cards in the game, its no surprise that they are such popular cards

You would be able to easily answer at least the first question

Illusionary Trauma has Giga Pudding attempt to make chicken soup