Unlike the other mana rocks, Bontus MonumentBontus Monument doesnt provide mana, but it does provide a static discount to all black creature spells (including Strefan!), and we were already going to play big beefy boys
Pollywog Symbiote Pollywog Symbiotes utility is entirely dependent on you running a mutate deck, but in that exact build its quite the enabler
Imposter Mech has proven to be an undeniable Clone-effect, allowing you to copy creature effects at a cheap cost, while dodging certain removal
I would also consider one or two copies of Arabella, Abandoned Doll, which rewards you for going wide with small tokens while acting as a Gleeful Demolition target if the need arises
Last week's focus was on Magic 's gameplay, but today I'll be touching on one of the other majorly important aspect of the game: deck building