You control at least five other nontoken Dinosaurs.
An opponent cannot block Gishath.
Steps
Deal combat damage to an opponent using Gishath.
Gishath triggers, causing you to reveal the top seven cards of your library and put all Dinosaurs revealed this way onto the battlefield.
Move to your postcombat main phase.
Activate Thermopod's second ability five times by sacrificing five other nontoken Dinosaurs, adding ({R} magic symbol) ({R} magic symbol) ({R} magic symbol) ({R} magic symbol) ({R} magic symbol) .
When the Dinosaurs die, Mortuary triggers that many times, putting the Dinosaurs on top of your library from your graveyard.
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.