What really jumped out to me specifically, though, was the graveyard stuff
And I dont think Iroas is visiting you soon either
3 Search For Glory Search For Glory is a phenomenal tutor for specific decks that run either snow, legendary, or saga cards
Its better than proliferating because the creatures dont have to already have the +1/+1 counters on them (although it obviously isnt going to help with other kinds of counters)
You don't get another wizard when you re-cast the spell, but thats an incredible deal, especially when you consider how much value black decks squeeze from a stray creature token
People are going to want to kill Ertai, and if they can get past his counterspell ability, theyll have to kill a Flagbearer first