just grab a friend, open two packs each, shuffle them together, and play
The general rule is that either your opponent kills the Persecutor for you or it kills them
Losing that hurts, but Modern Horizons brought some goodies for Mardu Pyromancer as well to help fill the void: Seasoned Pyromancer steps right in as a great graveyard value card that falls perfectly in line with Mardu Pyromancer's gameplan
Planeswalkers in Brawl This one is easy for anyone familiar with Commander, the 100-card Arena Brawl and 60-card Standard Arena Brawl deck can have a planeswalker designated for the command zone, and that planeswalker determines the color identity of the singleton deck
It gets the various Sliver abilities of its tribe
Starnheim Aspirants flat discount to angels can accelerate your game plan, bringing out all those expensive angels much faster