
Rulebreaker — If Valko Indorian, Researcher is your Commander, you may include all artifacts and enchantments in your deck regardless of color identitycolor identityA card's colours plus the colours of every mana symbol in its rules text. In Commander, every card in the deck must fit within the commander's colour 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.
Hover an underlined rule to see what it means.
Read from the rules text. A card that enables a keyword makes or is the thing; a card that rewards it gets better when you have it. Two cards interact when one enables what the other rewards.