Likely to be the fire card in the Super Shield Trigger cycle of spells.
Fire / Spell / 5
■ Super Shield Trigger (When this spell is put into your hand from your shield zone, you may cast it immediately for no cost. Then if you have no shields, you may use this spell's S ability.)
■ Choose a card in the battle zone that costs 5 or less and put it into that owners graveyard.
S Destroy all your opponent's creatures that cost 7 or less.
http://duelmasters.wikia.com/wiki/Novalty_Amaze being the previously seen Light one.