Great Train Heist

Instant{R}

Spree (Choose one or more additional costs.) + {2}{R} — Untap all creatures you control. If it's your combat phase, there is an additional combat phase after this phase. + {2} — Creatures you control get +1/+0 and gain first strike until end of turn. + {R} — Choose target opponent. Whenever a creature you control deals combat damage to that player this turn, create a tapped Treasure token.

Colour identity Red · Treasure, Spree

In short

Great Train Heist has 5 listed printings; the most valuable is the Extended Art printing from OTJ at US$8.12 on TCGplayer's market price. Prices below are the cheapest in-stock listing in the United States.