Trickstar Delfiendium (FLOD-EN040) - Flames of Destruction Unlimited

2+ "Trickstar" monsters
When this card declares an attack while it points to a "Trickstar" monster: You can target any number of your banished "Trickstar" cards, up the number of Link Monsters your opponent controls; add them to your hand, and if you do, this card gains 1000 ATK for each card added to your hand by this effect, until the end of this turn.