Xathrid Slyblade

Hexproof (This creature can't be the target of spells or abilities your opponents control.) {3}{B}: Until end of turn, this creature loses hexproof and gains first strike and deathtouch. (It deals combat damage before creatures without first strike. Any amount of damage it deals to a creature is enough to destroy it.)

From Magic: The Gathering.

Open the interactive version on https://mythscribe.cloud/app/tcg/cards/cms6ogwkrc477pb1hx6eoymcu.