In multi-colour, there are a whopping nine Dimir (blue/black), two Golgari (black/green), and two Esper (white/blue/black), two Sultai (black/green/blue), and one Bant (green/white/blue) with The Brothers' War's Tocasia, Digsite Mentor.
You choose how many targets the chapter II ability of The Grand Evolution has and how the counters are distributed as you put the ability onto the stack
Muldrotha is a graveyard recurring machine
As the game goes along, this can become an easily abuseable removal and advantage engine if it can be cycled through a graveyard
Even worse, Ad Nauseam can be used in its more popular Modern sense to instantly win you the game
Just make sure you bring some dice or lots of tokens for when it starts to get wildly out of control