The second and third abilities of Champions from Beyond don't care what happens to those creatures after you attack with them
Since you have the infrastructure to hit already, why not add in two more combat damage triggers that also boost the power by two and thus the Commander Damage clock is sped up as well and giving two key protections from targeted removal like Beast Within and burn like sweeping Blasphemous Act
Even if you never get to swing with Wrenns old partner, retracing permanent spells provides absurd value
The first involves tapping and attacking with unblockable assassins each turn to maximize the surveil trigger at the beginning of your end step
Enter Vandalblast and, yes, we left board wipes out of this list but that's Vandalblasts brutal beauty: This red sorcery can be a one-sided artifact sweeper late in the game, or an extremely efficient artifact sniper early on
The Prerelease of a set is great because the set is new and everyone is on equal footing as they play with the cards for the very first time