Guts, Hundred Man Slayer

Trample
Whenever Guts, Hundred Man Slayer deal
Trample damage to a player, double it.
Whenever a Soldier dies, put a +1/+1 counter on
Guts, Hundred Man Slayer.
At the end of your turn, if Guts, Hundred Man
Slayer has five or more +1/+1 counters on it you
may transform Guts, Hundred Man Slayer.