Lord Of Change Tzeentch

When Lord Of Change Tzeentch enters the battlefield, roll X d6, then Scry that many cards
and draw that many cards.
Double Strike, Flying, Hexproof, Evoke {x}{x}{u}{b}
{3}{u}{b}, {t}: roll a d6, then divide the results as
you choose between +1/+1 and -1/-1 counters
and distribute as you choose to all creatures on
the battlefield.