Fathom Seer is a common Creature — Illusion card from Time Spiral (TSP), collector number 62. Current market price: $0.05 (foil $0.45), TCGplayer market prices via Scryfall.
Morph—Return two Islands you control to their owner's hand. (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When this creature is turned face up, draw two cards.