Can only Special Summon LIGHT low-attack monsters.
Always Special Summons the monster in attack position.
Can Special Summon another copy of himself from the deck.
The Agent monsters LIGHT attribute and some of them have low enough stats to be summoned by Shining Angel. The Agent of Force - Mars is great because he can boost his own stats if you have more LP and The Sanctuary in the Sky is face-up, potentially being a powerful beater. Additionally, they are all Fairy-types and could share support with Shining Angel.
Can be Special Summoned By Shining Angel to continue catching attacks. Shining Angel and UFOroid can be put together in a LIGHT Machine-type deck such as Cyber Dragons.
Cyber Twin Dragon
Use Proto Cyber Dragon and The Light Hex-Sealed Fusion on your field without a fusion spell to make Cyber Twin Dragon. You can use Shining Angel to Special summon the other if you already have one of those monsters on the field.