If a monster Special Summoned from the Extra Deck is on the field: You can Special Summon this card from your hand.

If this card is Normal or Special Summoned: You can activate this effect; add 1 "Dogmatika" card from your Deck to your hand, except "Dogmatika Ecclesia, the Virtuous", also you cannot Special Summon monsters from the Extra Deck for the rest of this turn.