Here’s the confirmed effect of the Lightsworn Promo from V Jump!
Felice, Lightsworn Archer
Lightlord Archer Felice
Level 4 LIGHT Beast-Warrior-Type Effect Monster
ATK 1100
DEF 2000
Cannot be Normal Summoned/Set.
Cannot be Special Summoned, except with a card’s effect.
When this card is sent from your Deck to the Graveyard by a monster effect: Special Summon this card from the Graveyard.
You can Tribute this card, then target 1 monster your opponent controls; destroy that target, then send the top 3 cards of your Deck to the Graveyard.
Source: http://blog.livedoor.jp/maxut/archives/34809860.html
