Great Train Heist

Spree (Choose one or more additional costs.)

+ {2}{t} — 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.