Concerted Effort - (Foil): Ravnica: City of Guilds 6 Flying Whenever you cast a

Flying Whenever you cast a spell

You don't lose unspent green mana as steps and phases end

its controller reveals cards from the top of their library until an artifact or creature card is revealed and exiles that card

[−2]: Create a 0/0 colorless Construct artifact creature token with "This creature gets +1/+1 for each artifact you control

{T}: Add {B} or {G}

Concerted Effort - (Foil): Ravnica: City of Guilds 6 Flying Whenever you cast aAt 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.