Kathril, Aspect Eater

When Kathril, Aspect Eater enters, search your library for any number of creature cards, put them into your graveyard, then shuffle, then you may discard any number of creature cards, and sacrifice any number of creatures, then put a flying counter on any creature you control if a creature card in your graveyard has flying. Repeat this process for first strike, double strike, deathtouch, hexproof, indestructible, lifelink, menace, reach, trample, haste, and vigilance. Then put a +1/+1 counter on Kathril f