alduin, eater of worlds

flying
When alduin, eater of wolrds enters the battlefield tap 2 target creatures each opponet controls, put a stun counter on them
{b}{b} {t} shout- (remove eatch attacking or blocking creature from combat that creture dosn't untap on its controlers next untap step)
{x}{t} sacrafice alduin, eater of wolrds put x 3/3 black dragon creture tokens onto the battlefield
sacrafice x dragons: alduin, eater of wolrds gets +x/+x until end of turn
if alduin eater of wolrds were to die unless its your commander