There are other even smaller cards that do things like this with extra conditions, like Edgewall Innkeeper
Also, there are many opponents with bad compatibility such as mass destruction, bounce, and elimination, so it is not a perfect defense
Once a player runs out of burn spells, they may struggle to deal damage and win the game
Erikas Hospitality (Tag All Stars [SM12a] 190/173) Erikas Hospitality SR[SM12a 190/173](High Class Pack Tag Team GX Tag All Stars) Celadon Gym Leader Erika, a Grass-type specialist, has always ranked as one of the Pokmon fandoms biggest heartthrobs ever since her debut all the way back in Gen 1 video games Pokmon Red and Blue
When decks rely on Thoughtseize and fetchlands, going down to 15 life on turn 1, then aggression becomes much more relevant (and, by extension, Bolt too)
Whats cool about both of these is that the only limit on using them is your mana, and Elf decks are incredibly good at generating mana