Double Twin Dragon

[ Dragon / Effect ] [REQUIREMENT]Shuffle 3 monsters from your Graveyard into the Deck. [EFFECT] This turn, this face-up card can be treated as 2 Tributes for the Tribute Summon of a Level 7 Dragon Type monster in Attack Position. This turn, you can only attack with High Dragon or Dragon Type monsters. ATK/ 1200 DEF/ 600