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In a very focused aggro deck thats trying to squeeze out the last few points of damage, its theoretically playable

For example, you may play a snow land this way only while the stack is empty during one of your own main phases, and only if you haven't played a land yet this turn

While the card can provide a significant advantage by granting additional combat phases and untapping attacking creatures, it may be situational and risky due to its high mana cost

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The downside is that other than Minion of the Wastes + Sanguine Bond + Disciple of Griselbrand or Diamond Valley, the rest of these combos require a second or third color, limiting the number of Commander decks that can run them