Into the Time Vortex

Sorcery{4}{R}

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.) Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

Colour identity Red · Rebound, Cascade

In short

Into the Time Vortex has 7 listed printings; the most valuable is the Surge Foil printing from WHO at US$13.22 on TCGplayer's market price. Prices below are the cheapest in-stock listing in the United States.