Effect
Cannot be Normal Summoned/Set. Must be Special Summoned (from your hand) by having 4 or more LIGHT monsters in your Graveyard, and cannot be Special Summoned by other ways. Once per turn: You can target 1 Field Spell Card and 2 other cards on the field; destroy them.
"This card cannot be Normal Summoned. It can only be Special Summoned if you have 4 or more LIGHT monsters in your Graveyard" is not treated as an effect. It is a procedure for Special Summoning a Special Summon monster. (A Chain Link is not built when Special Summoning in this way.)
It cannot be Special Summoned from the Graveyard by the effect of "Monster Reborn". It can only be Special Summoned from the hand by the method described in the text.
The monster effect "Once per turn, you can target 2 cards on the field and 1 Field Spell Card; destroy those cards" is an Ignition Effect.
The monster effect "destroy those cards" is an effect that targets a total of 3 cards: 2 cards present on either player's field, and 1 Field Spell Card present in either player's Field Zone.
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