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EDIT: So it seems like I'm not just just rehashing what the asker found out for himself, I found a few other cards that let you attach more than one energy.

Log In It's very positive to see Kadabras being able to be acknowledged again and will be interesting to see what such entails in the future

You must control your Commander to get both abilities, but simply making potentially five Red for is already so playable

This seems to be the world seen through the eyes of a Spoink, as its eyes are shining with the glistening light that covers the artwork

Players represent planeswalkers able to draw on the magics and entities of these planes to do battle with others

These decks only come with a couple dozen reprints, and most of the ones in this deck are typical Commander staples like a Sol Ring and the usual green ramp spells like Rampant Growth and Cultivate