Asta, of the Blackbulls

Deathtouch, First strike, Haste
Whenever Asta, of the Blackbulls, enters the battlefield or attacks, search your library for a
non-enchantment card with converted mana cost
3 or less, put it into play and shuffle your library.
{p/b}{p/b}{p/b}{p/b}:Asta, of the Blackbulls,
losses all abilities and gains a +X/+X and lifelink
until the end of turn, where X is the number of
Humans in your graveyard and field.