The Relentless Grind

At the beginning of your end step, you may tap
any number of creatures you control. For each
creature tapped, put a study counter on The
Relentless Grind.
Remove four study counters from The Relentless
Grind: draw a card. If the drawn card is a creature,
you may place it on the battlefield.
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On the road to Harvardia, one must push past their exhausted rivals, and not look back.