If you were to add in on an Expert Belt, you have a 150 HP Pokmon hitting for 120 damage
they are: Burn, Burn, Tree and Fern The Desolation of Smaug Sting, Bilbo's Sword Supper for Spiders The Lonely Mountain The Eagles Are Coming The Desolation of Smaug feels like a lock for any Dragon tribal decks because its damage targets non-Dragon creatures, and you get four mana back in any color combination to then cast another dragon
Its an over-statted 3-drop, a strong 5-drop, and a threat that needs an answer so you dont win the game
The counter-removing feature isn't often seen, but it could be an efficient way to deal with some annoying targets, such as planeswalkers, or other battles, or removing -1/-1 counters, or resetting your own Sagas