Sliver Swarm.

Sliver Swarm is a 100-card Commander deck led by Sliver Gravemother in the five-color color identity. TableCommander estimates this deck at bracket 2 — core / casual.

The mainboard runs 44 creatures, 1 instant, 10 sorceries, 7 artifacts, 1 enchantment, and 37 lands, averaging 3.16 mana value across non-land cards. 63% of non-land cards cost 3 mana or less; 17% cost 5 or more.