Doubling Era

Whenever counters would be put on a permanent, put twice that many counters on that permanent instead.
Whenever damage would be dealt to a permanent or player, double that damage.
Whenever a play would draw a number of cards, they draw twice that many cards.
Whenever a player casts a spell or activates an ability, they copy that spell or ability. If that spell targets, they may choose new targets for the copy.
Whenever a player would mill a number of cards, they mill twice that many cards instead.
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