Valko Indorian, Researcher — Unknown Event #RZ01c

Rulebreaker — If Valko Indorian, Researcher is your Commander, you may include all artifacts and enchantments in your deck regardless of color identity.

Artifacts and enchantments you own everywhere become both types. (This applies to your library, hand, battlefield, and so on.)

Whenever you cast an artifact or enchantment spell, put a +1/+1 counter on Valko Indorian.