Radek, Chieftain of Szczecin

Intimidate, Trample
Radek, Chieftain of Szczecin enters the battlefield with X +1/+1 counters on it, where X is the number of his teammates.
Whenever you win MTG Nationals, exile Radek, Chieftain of Szczecin, then return him to the battlefield transformed.
"We are going to win it!"