Concerted Effort 8 (Ravnica: City of Guilds)

At the beginning of each upkeep, creatures you control gain flying until end of turn if a creature you control has flying. The same is true for fear, first strike, double strike, landwalk, protection, trample, and vigilance.

NM - $10.40
LP - $8.30
MP - $6.30
HP - $4.20
DMG - $2.10