Tamiyo, the Moon Sage is a mythic Legendary Planeswalker — Tamiyo card from Secret Lair Drop (SLD), collector number 396. Current market price: $11.06 (foil $12.38), TCGplayer market prices via Scryfall.
+1: Tap target permanent. It doesn't untap during its controller's next untap step. −2: Draw a card for each tapped creature target player controls. −8: You get an emblem with "You have no maximum hand size" and "Whenever a card is put into your graveyard from anywhere, you may return it to your hand."