The Agent of Revival, Neptune

[Valkyrus]

The Agent of Revival, Neptune
LIGHT, Fairy-Type
level 8.

This card cannot be Normal Summoned or Set. This card can only be Special Summoned (from your hand)
by tributing 3 LIGHT monsters you control. Once, during your Main Phase, while this card is face-up
on your side of the field, you can Special Summon as many "Agent" monsters from your Graveyard
as you can. During your End Phase: banish all monsters Special Summoned in this way.
This card cannot attack during the turn you activate this effect.

ATK: 3000
DEF: 2100

OP'd? Not?
Suggestions and fixes are welcome.