Bloodcry Nighthunter

When Bloodcry Nighthunter enters the battlefield, you may discard any number of cards.
If a card discarded with Bloodcry Nighthunter has flying, Bloodcry Nighthunter
has flying. The same is true for lifelink,
deathtouch, vigilance, haste, reach indestructible, trample, prowess, menace, and hexproof.