![1](/Handlers/Image.ashx?size=small&name=1&type=symbol)
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![Tap](/Handlers/Image.ashx?size=small&name=tap&type=symbol)
, Discard a card: Put a study counter on Grimoire of the Dead.
![Tap](/Handlers/Image.ashx?size=small&name=tap&type=symbol)
, Remove three study counters from Grimoire of the Dead and sacrifice it: Put all creature cards from all graveyards onto the battlefield under your control. They're black Zombies in addition to their other colors and types.