Duke Leto Atreides

Vigilance, Mentor
Duke Leto Atreides gets +1+1 for each modified creature you control.
At the beginning of your upkeep, if this creature has the greatest power amongst creatures on the battlefield, distribute a +1+1, Vigilance, and Training counter on up to three target creatures, then draw a card.
{1}{x}: return up to X creatures you control to their owner’s hand.