Reinforcements [DTP1-EN019] Common Normal Spell when an opponent's DARK monster

when an opponent's DARK monster activates its effect: You can detach 1 Xyz Material from this card

or if this card in your possession is destroyed by an opponent's card effect and sent to your Graveyard: You can Special Summon 1 "Gaia The Fierce Knight" monster from your hand

depending on the number of Spell Cards banished for this card's activation

Your opponent then selects and discards another card from his/her hand

destroy all face-up monsters on your opponent''s side of the field

Reinforcements [DTP1-EN019] Common Normal Spell when an opponent's DARK monsterSet: Duel Terminal Preview Card type: Normal Trap Rarity: Common Increase 1 selected monster's ATK by 500 points during the turn this card is activated.