When you Tribute Summon this card by Tributing a "Lightsworn" monster: You can send the top 4 cards of your Deck to the Graveyard, then target up to 2 cards your opponent controls; destroy those targets.
Can destroy 2 cards your opponent controls, upon Tribute Summoning using a “Lightsworn” monster.
Weak DEF stats.
You have to send 4 cards from the top of your Deck when you activate this monster’s effect.
You can consider using a 30 card deck in order to not deck-out too early, if you are playing a Lightsworn themed deck, because most of the archetype monsters have effects that requires you to send the cards from your Top Deck to the Graveyard every turn.
You can also consider using cards like Jar of Avarice or Pot of Benevolence to return cards from your Graveyard to your Deck.
You can Tribute Summon Celestia using any of the listed Lightsworn Monsters, in order to trigger Celestia’s effect.