Bloodcurdler | Magic: The Gathering
Formats Bloodcurdler is Legal in
Official Oracle Text for Bloodcurdler
At the beginning of your upkeep, put the top card of your library into your graveyard.
Threshold — As long as seven or more cards are in your graveyard, Bloodcurdler gets +1/+1 and has "At the beginning of your end step, exile two cards from your graveyard."