Amass The return of the amass mechanic from War of the Spark is a massive shock
Her +1 to shoot your team up and anger them into trampling over any who would dare stand in their way is also very strong, and plays well with the Wolf-making earlier
You can create pretty consistent scenarios where you play a room card and unlock the other door: Victor, Valgavoth's Seneschal lets you surveil 2 while your opponents discard a card
tacking on a burst of lifegain doubles down on the catch up mechanics
We can even cash in a bunch of Clues for a mass reanimate This is a pretty straightforward control deck, with the ways it wants to brick up in the early game and try to bleed out the opponents or crash in with a Rise and Shine on turn ten or so
You can achieve a similar effect with a free sacrifice outlet, Mikaeus, the Unhallowed, and a persist creature like Putrid Goblin