Theres a few notes with this one, but nothing too outrageous: This only triggers if a creature entering the battlefield has a higher power and/or toughness than a creature with the mechanic that is already on the battlefield
There can be more than one that exists on the battlefield if theyre controlled by different players
You only have to pay energy after they block, and unless they have tokens to feed you, theres some inherent risk in blocking
Shane, thank you for your time today and for sharing your knowledge on the creative process
There's even more synergy here, since both Choco and Flurry of Wings care about birds and attackers
At least it damages only your opponents, and with the tackled adventure, it can be a solid pillar for a spell slinger/tempo/counter burn deck