Horror.

Horror is a 97-card Commander deck led by Uchbenbak, the Great Mistake in the Dimir color identity (blue/black). TableCommander estimates this deck at bracket 2 — core / casual.

The mainboard runs 34 creatures, 8 instants, 10 sorceries, 5 artifacts, 7 enchantments, and 33 lands, averaging 3.42 mana value across non-land cards. 59% of non-land cards cost 3 mana or less; 27% cost 5 or more.

This deck currently has legality issues for Commander.