Shækor, Boros Battleleader

Haste, Trample, Mentor
Whenever Shækor, Boros Battleleader attacks, he gets +3/+3 for each creature you control, then he deals 4 damage to each creature all opponents control.
At the beginning of target opponent's end step, create a 3/2 Human Knight creature
token with menace, haste, and indestructible.