Nessian Wanderer is a uncommon Creature — Satyr Scout card from Theros Beyond Death (THB), collector number 183. Current market price: $0.32 (foil $0.31), TCGplayer market prices via Scryfall.
Constellation — Whenever an enchantment you control enters, look at the top three cards of your library. You may reveal a land card from among them and put that card into your hand. Put the rest on the bottom of your library in a random order.