PewDiePie

Level Up (At the end of your turn, if this creature attacked, put a +1/+1 counter on it and create an
"XP" token with "Sacrifice this token, put a +1/+1 counter on target creature".)

{g/u}{t}: PewDiePie explores.
During your upkeep, put a 2/2 "PeePeePooPoo" creature token with haste onto the battlefield.
"What? You've never played Tuber Simulator?"