Bison Whistle
Artifact
, 
: Look at the top card of your library. If it's a Bison card, you may put it onto the battlefield. If it's a creature card, you may reveal it and put it into your hand. Otherwise, you may put it into your graveyard.
"I knew a bison whistle would come in handy." —Aang
Illustrated by
Avatar: The Last Airbender Eternal#131RareEnglish