A Commander staple is basically a heavily-played card in the format, though a card's status as a Commander staple doesn't mean that it's an excellent card everywhere else
Omo, Queen of Vesuva Finally, there is Omo, Queen of Vesuva, which can gradually place everything counters on your Lands and Creatures
Umbris, Fear Manifest Umbris, Fear Manifest stands out as an incredibly unique Dimir card as one of the few dedicated payoffs to both exiling cards and nightmares
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6 Mentor Of The Meek About As Good As It Gets For White Card Draw White is one of the worst colours when it comes to drawing cards
An aggressive white deck full of powerful legendary creatures like Daxos, Blessed by the Sun , Skrelv, Defector Mite , and Kytheon, Hero of Akros would be excellent to pair with Senu