Dream, Masked Prisoner

Dream, Masked Prisoner can not attack.
At the beginning of your upkeep, put a +1+1 counter on Dream, Masked Prisoner.
{t}: Dream fights another target creature.
{t}, {w/b}{g/w}{b/g}: Search your library for a creature named Technoblade, The undying and put it on to the battlefield. Activate this ability only once