We want our opponents commanders to be stuck in tree-form for the rest of the game, so keeping it alive and tree-ish when players declare attackers at them is paramount to Lignify working
Whats of note here is if we exile a spell with an alternate casting cost (which, unlike Kicker, cannot be paid if we cast it for free), we get to choose to not cast it, and cast it this turn instead
I wasnt confident in that opinion, but I knew that my results since the unban were impressive and that was good enough for me
You send them some options, see what they like, and work from there
Chandelure's first attack synergizes well with Ceruledge decks, as those strategies will always have several energy cards in the discard pile, so it will often deal 150 damage with very little resources required