Your search for "Foreboding Steamboat 338" revealed the following:
Foreboding Steamboat - Extended Art (MKC) from Murders at Karlov Manor Commander, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Josu Solano Card Text:When Foreboding Steamboat enters the battlefield, each player chooses two nontoken, non-Vehicle creatures they control....