The Dunwich Horror vs Magneto (X-Men Evolution): who would win?

Too close to call

The Dunwich Horror · Cthulhu Mythos · Base

Tier: HIGH 8-C
Attack Potency: Large Building Level
Speed: Superhuman
Durability: Unknown

Magneto (X-Men Evolution) · Marvel · Horseman of War

Tier: HIGH 8-C, up to 8-B
Attack Potency: Large Building Level, up to City Block Level
Speed: Superhuman, up to Supersonic
Durability: Unknown

A heuristic estimate from normalized VS Battles Wiki stats: tier, attack potency, speed and durability.