Tevesh Szat, Doom of Fools is a mythic Legendary Planeswalker — Szat card from Secret Lair Drop (SLD), collector number 1199. Current market price: $25.86 (foil $35.94), TCGplayer market prices via Scryfall.
+2: Create two 0/1 black Thrull creature tokens. +1: You may sacrifice another creature or planeswalker. If you do, draw two cards, then draw another card if the sacrificed permanent was a commander. −10: Gain control of all commanders. Put all commanders from the command zone onto the battlefield under your control. Tevesh Szat, Doom of Fools can be your commander. Partner