Flying
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."
![Bloodcurdler [Odyssey] | Spectrum Games](http://spectrumgaming.com.au/cdn/shop/products/dd1452ff-cec6-4df3-8bdc-bfb7869553a1.jpg?v=1591953734)
