You control at least five creatures with total power 1 or greater.
An opponent cannot block and kill
Luxurious Locomotive.
Luxurious Locomotive does not have summoning sickness.
Steps
Activate
Luxurious Locomotive's crew ability by tapping five creatures you control with total power 1 or greater, causing
Luxurious Locomotive to become an artifact creature until end of turn.
Declare
Luxurious Locomotive as an attacker.
Luxurious Locomotive triggers, creating at least five Treasure tokens.
Move to your postcombat main phase.
Activate five Treasures by tapping them, adding ({3} magic symbol) ({R} magic symbol) ({R} magic symbol) .
Activate
Aggravated Assault by paying ({3} magic symbol) ({R} magic symbol) ({R} magic symbol) , causing you to untap all creatures you control and to get an additional combat and main phase after this one.