With Jeskai Ascendancy casting Cruise on turn two, we dont have to wait long in eternal formats to resolve our first 4/5
Dredge is a very winnable matchup, but it's also quite easy to lose to it too
Finally, Red + Green Burn tends to punish what Green hates, namely all-things winged or artificial (Clan Defiance, Cindervines, Ruric Thar, the Unbowed, etc.), or staples Burn onto already-useful effects (Vengeful Rebirth, Exploding Borders, etc.)
Scarecrows often play a very important role to make sure a sets Limited environment is playable, since they provide colorless common and uncommon bodies that offer you mana fixing
Similar to Cenote Scout, I am not sure where this belongs yet, but the rate is there and it will be an exciting card to build around