Yanqing, Young Swordsman

Ward {x}, where X is the number of Swords
attached to Yanqing
When Yanqing enters the battlefield, create
five colourless Sword artifact equipment
tokens with 'Equipped creature gets +1/+0'
and attach them to him
If Yanqing has four or more Swords
attached to him, he has Double Strike
If Yanqing has two or more Swords
attached to him, he has First Strike