Gearson, Controlled Savagery

When Gearson enter the battlefield, create an emblem that states “opponents creatures are zombies in addition to their other types.”
All zombies able to block Gearson must do so if possible.
Rampage 1
{2}{u/r} discard a card: Gearson gains first strike, trample, and +1/+1 untill end of turn.