Razorkin Needlehead 

Creature — Human Assassin
This creature has first strike during your turn.
Whenever an opponent draws a card, this creature deals 1 damage to them.
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Cards that do something similar expected a card that isn't here?
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Ratcatcher Trainee // Pest Problem 99%
$0.24#15657
"During your turn, this creature has first strike."
Fate Unraveler 91%
$3.12#1693
"Whenever an opponent draws a card, this creature deals 1 damage to that player."