Neerdiv, Devious Diver 

Legendary Creature — Merfolk Rogue
Whenever Neerdiv becomes tapped, target player mills cards equal to its power.
Whenever you cast a spell from your graveyard or activate an ability of a card in your graveyard, draw a card and put a +1/+1 counter on Neerdiv.
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Cards that do something similar expected a card that isn't here?
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Kraum, Violent Cacophony 82%
$0.25#8849
"Whenever you cast your second spell each turn, put a +1/+1 counter on this card and draw a card."