I think the real use for this is of course the populate triggers, especially if we can get a decent variety of tokens on the field
Replication Technique Similar to Incarnation Technique below, Replication Technique is all about making sure you have two better targets than an opponents single target
Instead of waiting for the best card to come up, you can grab it immediately, place it on your Bench, and start attaching energy to it right away
You could use the Cauldron to set up a slow loop of sacrificing and reanimating two creatures with powerful enters abilities or just turn a random pest into an Archon of Cruelty, whichever suits you in the moment
His +2 will discard to draw one, two if it was a land
I would change the Steam Roller package to focus more on Thassas Oracle based win-conditions