Rattleblaze Scarecrow has
persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.) as long as you control a black creature.
Rattleblaze Scarecrow has
haste (This creature can attack, and as soon as it comes under your control.) as long as you control a red creature.