Serizawa, Caller of Kaiju

Haste First Strike Vigilance Intimidate
Serizawa, Caller of Kaiju can't be block by non Kaiju creatures.
As long the battlefield has any number of kaiju, Serizawa, Caller of Kaiju gets +2/+2.
{w}You may put a 1/1 Kaiju creature token on to the battlefield each time you or your opponent casts a creature spell.