Blackfeather Darkrage Dragon

[ Dragon / Synchro / Effect ] 1 Tuner + 1 or more non-Tuner monsters Once per turn, when you take damage: You can send up to 5 cards from the top of your Deck to the Graveyard, then if any monsters were sent to the Graveyard by this effect, this card gains 400 ATK. ATK/ 2800 DEF/ 1600