As we see in Eiscue ex's Scalding Block move, it may be hungry for energy but the damage output of the attack is pretty decent
With some tools like Crucible of Worlds, you get to do it every turn

(SINGING) I want be the best there ever was To beat all the rest, yeah, that's my cause (SPOKEN WORD) Electrode, Diglett, Nidoran, Mankey Venusaur, Rattatta, Fearow, Pidgey Seaking, Jolteon, Dragonite, Gastly Ponyta, Vaporeon, Poliwrath, Butterfree Catch 'em, catch 'em, gotta catch 'em all Pokmon I'll search across the land, look far and wide Release from my hand the power that's inside Venomoth, Poliwag, Nidorino, Golduck Ivysaur, Grimer, Victreebel, Moltres Nidoking, Farfetch'd, Abra, Jigglypuff Kingler, Rhyhorn, Clefable, Wigglytuff Catch 'em, catch 'em, gotta catch 'em all Gotta catch 'em all, Pokmon Zubat, Primeape, Meowth, Onix Geodude, Rapidash, Magneton, Snorlax Gengar, Tangela, Goldeen, Spearow Weezing, Seel, Gyarados, Slowbro Gotta catch 'em all, gotta catch 'em all, yeah Gotta catch 'em all, gotta catch 'em all, yeah Gotta catch 'em all, Pokmon Kabuto, Persian, Paras, Horsea Raticate, Magnemite, Kadabra, Weepinbell Ditto, Cloyster, Caterpie, Sandshrew Bulbasaur, Charmander, Golem, Pikachu At least one hundred and fifty or more to see To be a Pokmon master is my destiny Alakazam, Doduo, Venonat, Machoke Kangaskhan, Hypno, Electabuzz, Flareon Blastoise, Poliwhirl, Oddish, Drowzee Raichu, Nidoqueen, Bellsprout, Starmie Woo, we're at the halfway point, doing great so far (We

Most of the time, they offer a discounted way of playing in an unsanctioned environment
Any player other than the battles protector can attack it the same way they would a player or planeswalker, and its protector can block creatures that are attacking the battle