The symbol itself has no special rules meaning

(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

Red Decks even in Extended had to choose between cards like Magma Jet and Volcanic Hammer for a while
Itd be a lot better if at least one cost 5 mana because then you could cast one on turn 5 and the other on turn 6
How much does Zodiark, Umbral God cost