Shimmer Dragon {4}{U}{U}
Creature — Dragon
Flying
As long as you control four or more artifacts, this creature has hexproof. (It can't be the target of spells or abilities your opponents control.)
Tap two untapped artifacts you control: Draw a card.
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Cards that do something similar expected a card that isn't here?
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Shao Jun 97%
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"Tap two untapped artifacts you control: This enchantment deals 1 damage to any target."
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"Tap two other untapped artifacts you control: This Vehicle becomes an artifact creature until end of turn."