Planar Portal.

Planar Portal is a 100-card Commander deck led by Prosper, Tome-Bound in the Rakdos color identity (black/red). TableCommander estimates this deck at bracket 2 — core / casual.

The mainboard runs 21 creatures, 9 instants, 12 sorceries, 14 artifacts, 5 enchantments, and 39 lands, averaging 3.62 mana value across non-land cards. 54% of non-land cards cost 3 mana or less; 26% cost 5 or more.