For each of your Benched Exeggcute, search your deck for an Alolan Exeggutor or Alolan Exeggutor-GX and put it onto that Exeggcute to evolve it. Then, shuffle your deck.

Draco Meteor Barrage80×

Flip a coin for each Grass Energy attached to this Pokémon. This attack does 80 damage for each heads.