Dinomist Charge (MP16-EN218)

When this card is activated: Add 1 "Dinomist" monster from your Deck to your hand. Once per turn, if a "Dinomist" card(s) is added from the field to your Extra Deck face-up: Add 1 of those cards to your hand. You can only activate 1 "Dinomist Charge" per turn.

spell / Continuous, 2016 Mega-Tin Mega Pack