Elesh Norn, Grand Cenobite There've been a lot of very strong Elesh Norn cards printed or reprinted lately, but you just can't go wrong with the classics
After sacrificing Zack and sending him to your graveyard instead of your command zone, reanimation effects like the one on Sun Titan can bring him back into play or to your hand to restart the gameplay loop , allowing you to keep stacking counters on your creatures
Rite of the Raging Storm, for example, constantly provides your enemies with 5/1 trampling Elementals that cannot attack you
That player pay pay life equal to that cards mana value
This color combo does well by going aggro and aggressively questing with high-lore characters
Bladegriff Prototype isn't bad, but its effect doesn't always help you as much as it helps others, and once a multiplayer game is down to two players, it's basically just your opponent sacrificing permanents, which might not be that impactful in the late game