Discover is a keyword action that can be either a comes-into-play effect or an activated or triggered ability
Entrancing Melody is a touch slower than Id like, but if you can resolve it it is a game-changer against low-synergy aggro, and the Castle Vantress in the sideboard is there in order to up your land count so you can more reliably cast your Melodies
Decks with evasive creatures or extra combat steps can flood the board with nonlegendary copies in just a turn or two
Exeggutor ex decks can thrive in Pokemon TCG Pockets first round As pointed out by other users, there is a solution for those who getting frustrated with going first in Pokemon Pocket, as an Exeggutor ex theme deck is the way around it
No fancy bells or whistles
It also has the ability to create token copies of itself, but this costs five mana, which will be extremely difficult to pay for until later rounds, and somewhat pointless for aggro decks