Spree (Choose one or more additional costs.) + — Untap all creatures you control. If it's your combat phase, there is an additional combat phase after this phase. + — Creatures you control get +1/+0 and gain first strike (This creature deals combat damage before creatures without first strike.) until end of turn. + — Choose target opponent. Whenever a creature you control deals combat damage to that player this turn, create a tapped Treasure token (A Treasure is an artifact with ", Sacrifice this artifact: Add one mana of any color.").