So it is more of a tech inclusion, a prophetic prerun, so to speak
Words are easy to forget, but if you realize that, say, dragons (traditionally) breathe fire, thus resisting both fire and grass (it just burns it down), you'll have less trouble remembering each type matchup
Each turn you choose to do this nets you one more card each turn
Individual Cards The approach is different depending on what you are pricing
Echo of Eons Echo of Eons is another wheel, but this one actually shuffles the hands and graveyards into the library before drawing
First, it's probably the easiest of the dual-faced walkers to transform, only requiring you to gain three or more life