In limited environments, Medicant Core's max speed ability will allow you to duplicate big, expensive artifact bombs like gearhulks for practically nothing, but in unlimited formats like Commander, it can get really wild, duplicating mana rocks and game-bending cards from thirty years of Magic sets
Some have theorized that it was Lance, as he says upon defeat that the player would have been the new Champion if Blue hadn't beaten them there
The beauty of Cube is that you can reliably draft anything and do well with it, be it aggro, midrange, 5-color good stuff, or control
This is due to the way their effects are worded: they tell the player to search their library for a basic land type, like a forest or mountain, then put it into play
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And if this avenue doesnt appeal to you, theres an entirely separate Idris strategy available thats easily summed up in the phrase artifact blink. Use Idris to store your target artifact in exile, then flicker her to return the original copy to the battlefield and get its enters-the-battlefield triggers again