After this phase, there is an additional combat phase
Once you get both of these creatures out and perhaps a bunch of tokens to clutter up the board, youll be sitting cozy with a line of defense and a card draw engine to keep shields up
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With regards to the ramp I completely understand where you are coming from, and in the decks early days this was a major struggle, and I did run 2CMC rocks like Coldsteel Heart
Free damage spells like Soul Spike and Snuff Out help speed things along further
Decks that have creatures that want to be sacrificed, like Marchesa, the Black Rose, can use Profaner as a sac outlet that also bounces opposing creatures