Yes, a creature can grow for hitting a player, but having a toughness boost while there is damage being calculated is just confusing
The -8 is achievable two turns after Tibalt hits the board, and it basically lets you play with everyones graveyards for the rest of the game
Although Gecko Moria is now banned, and effectively makes the deck far worse, Flampe is still an excellent card that can be used as a draw engine for any yellow deck
Two mana, anything in play, not in play, instantly
Top 5 Price IncreasesDisney Lorcana Cards Over $5 #5 Yzma - Conniving Chemist (Enchanted) Set: Azurite Sea Printing: Holofoil Increase: +$21.20 Current Market Price: $82.39 In the Core Constructed format post-rotation theres little easy draw power, so Yzma - Conniving Chemist from Azurite Sea saw lots of interest during release week
Furthermore, the stink mechanic is a fun take on what could otherwise be a disparaging stereotype