Maelstrom Wanderer
Legendary Creature — Elemental{5}{G}{U}{R}7/5
Creatures you control have haste. Cascade, 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. Then do it again.)
Colour identity Temur · Cascade · Commander page
In short
Maelstrom Wanderer has 11 listed printings; the most valuable is the Secret Lair · Rainbow Foil printing from SLD at US$20.44 on TCGplayer's market price. Prices below are the cheapest in-stock listing in the United States.
Every Maelstrom Wanderer printing
Secret Lair · Rainbow Foil
Maelstrom Wanderer
SLD · 1319
TCGplayer market
US$20.44
Secret Lair
Maelstrom Wanderer
SLD · 1319
TCGplayer market
US$13.70
Maelstrom Wanderer
CM1 · 11
TCGplayer market
US$9.64
Maelstrom Wanderer
PC2 · 101
Price not tracked
Foil Etched
Maelstrom Wanderer
CMM · 583
Price not tracked
Borderless
Maelstrom Wanderer
CMM · 684
Price not tracked
Maelstrom Wanderer
PCA · 101
Price not tracked
Foil Etched
Maelstrom Wanderer
CMR · 526
Price not tracked
Maelstrom Wanderer
EMA · 204
TCGplayer market
US$1.50
Maelstrom Wanderer
CMM · 344
Price not tracked
Maelstrom Wanderer
ECC · 127
TCGplayer market
US$0.30