Black has been the leader with cards like Reprocess and Vampiric Rites
When to Be Flexible As I mentioned, there are many players who argue against definitive sideboard plans
(They each put the top card of their library into their graveyard.) Legendary Creature - Human Knight Drain (CTRL to add secondary) Draw Gonti, Lord of Luxury Deathtouch When Gonti enters, look at the top four cards of target opponent's library, exile one of them face down, then put the rest on the bottom of that library in a random order
This is especially powerful for creatures like Seedglaive Mentor, which gets permanent boosts from its valiant triggers, or like Flowerfoot Swordmaster, which boosts all of your Mice through valiant
Entering the battlefield with two additional bodies is slight overkill for Celebration triggers, so this card is most efficient for Rat sacrifice builds and might get bulked up into a semi-evasive finisher, something every "aristocrat" deck needs