Samut, the Tested is a mythic Legendary Planeswalker — Samut card from Amonkhet Remastered (AKR), collector number 257.
+1: Up to one target creature gains double strike until end of turn. −2: Samut deals 2 damage divided as you choose among one or two targets. −7: Search your library for up to two creature and/or planeswalker cards, put them onto the battlefield, then shuffle.