Evolution is done in stages, and you are unable to skip or jump any stages unless otherwise stated on a card in play - meaning evolution must follow the pattern of basic, Stage 1 and Stage 2, and a single Pokmon can only be evolved once per turn
I believe this is true regardless of how difficult they are to trigger, but emerging from Mortal Combat victorious seems like a breeze in a format like Commander where you can mill yourself to your heart's content with commanders like Grist, the Hunger Tide, Iname, Death Aspect (the mill comes from dumping your creatures into your 'yard on ETB), and Zask, Skittering Swarmlord
The Incredible Hulk also has Trample, meaning excess damage passes through defenders, and Reach, meaning it can defend against flying creatures
The new color "yellow" is coming with full power
This tech is one I learned from new PokeBeach writer Zander Bennett back in 2014 when I faced him at the Tennessee State Championships