Maro's Gone Nuts
Double any effect that doubles.
Collector Number: 81
Maro's Gone Nuts is not legal in any format.
2019-11-12 An effect "doubles" if it instructs a player to double something, or if it replaces an event with "double that much," "twice as many," or similar.
2019-11-12 Double strike isn't an effect, so it's not doubled.
2019-11-12 An effect that increases something by a specific amount
(such as the first ability of Jaya, Venerated Firemage)
isn't doubling, even if the result is double the normal result.
2019-11-12 If two Maro's Gone Nuts are on the battlefield, effects that double instead octuple. If three are on the battlefield, effects that double instead sexdecuple, and so on.
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