Goten, Eager Saiyan

Partner (You can have two commanders if both have partner.)
Haste
Whenever another creature enters the battlefield under your control, put a +1/+1 counter on Goten.
{r}: Goten gains trample until end of turn.
{t}: Tap Trunks, Tactical Prodigy. Transform them into Gotenks, Fused Dynamo"