Vsauce

{7}{w} Adapt 7. This ability costs {1} less for each instant and sorcery card in your graveyard.
{5}{t} Target opponent reveals their left hand. Count the number of fingers they have on that hand. Target player reveals their hand. Choose a non-land card from it. That player discards that card.
"Hey, Vsauce, Michael here. Where are your fingers?"