where did the gold pokemon cards come from 3 Most Expensive Golden Thoughts on gold cards? :

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So if your Commander is Red and White, then you cannot have any Blue, Black, or Green cards in your deck (and the rules also dont let you cheat and use colored abilities either)

Combo Shift blends standard Shift and Duo Shift, so a card like Sulley & Boo Scare Buddies can land on a single matching character or on two at once

As long as you control two or more Gates, this creature has vigilance and trample

Sands and the Stone work as solo pieces with the right amount of mana, but ideally you'll always want to start with Sands of Delirium and them finish with Keening Stone

It's a 6/6 for one red, one white, and one generic mana which deals three damage to any target and gains your three life each time it enters the battlefield or attacks