mtg 60 card deck breakdown Pro Tour March of the Machine Standard Metagame The Basics of Mana |

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Which would be pretty cool

Every color has access to it as a solid way to either make its creatures modal (via X-spell creatures that enter with X counters) or capable of growing into the late game

None of that is to say that Elsha isn't fun or interesting

You can also probably get away with just running one copy in the deck if you have a card you use to add a little utility or support to your strategy, or one that you use as your silver bullet against certain strategies that are more common in the metagame

It does have an upside, but that is best in spell slinging decks, so you won't get much milage of this