Moira and Teshar is a mythic Legendary Creature — Phyrexian Spirit Bird card from March of the Machine Commander (MOC), collector number 93. Current market price: $0.36 (foil $0.41), TCGplayer market prices via Scryfall.
Flying Whenever you cast a historic spell, return target nonland permanent card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step. If it would leave the battlefield, exile it instead of putting it anywhere else. (Artifacts, legendaries, and Sagas are historic.)