river song mtg card | Kylox's Voltstrider then you may exile a nonland card from your hand with a number of time counters on it equal to its mana value River Song Mtg | eBay

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But the game complexity is not only in the card text and rules

If the exploited creature had power 3 or greater, create a Treasure token

That can be done to help whoevers behind, to break key synergies, make players exchange commanders, and so on

Lifegain plays a decent part in this deck, as does aristocrats-style sacrifice

This helps keeping the list focused on the commanders most players will actually use, but it sadly means we cant talk about the pretty overpowered Cecil, Dark Knight