Bernard, Exiled Pyromaniac

Famous (Bernard, Exiled Pyromaniac can be your hero)
When Bernard, Exiled Pyromaniac enters the battlefield, he deals 2 damage to all non-rebel creatures. If he is invoked, he deals 4 damage instead.
In either players end step, if at least 2 rebels died this turn, transform Bernard, Exiled Pyromaniac.
The government framed me for a natural forest fire...