Gandora the Dragon of Destruction (Starfoil) (SP13-EN041) - Star Pack 2013 1st Edition Number_MRL-076 you must select it as

you must select it as an attack target

If you Special Summon this card in this way

You can only use each effect of "Sky Striker Ace - Roze" once per turn

Card TextDiscard 1 card from your hand to the Graveyard to destroy 1 Monster Card on the Field (regardless of position)

Typenull / Continuous Spell

Gandora the Dragon of Destruction (Starfoil) (SP13-EN041) - Star Pack 2013 1st Edition Number_MRL-076 you must select it asTypeDragon Effect Monster AttributeDARK Level Rank8 Card TextCannot be Special Summoned. You can pay half your Life Points; destroy all other cards on the field, and if you do, banish them. This card gains 300 ATK for each card destroyed this way. During the End Phase of the turn this card was Summoned: Send it to the Graveyard.