I am not sure, but:
Kyogre, Latios, Latias, Jirachi, Groudon, Lugia, Ho-Oh, Mewtwo, Mew, Celebi, Deoxys, Metagross, Salamence, Tyranitar, Dragonite, Milotic, Lapras, Blissey, Rayquaza, Saking, Proygon2, Moltres, Articuno, and Zapdos. 25
EDIT: This thread was bumped by evilman378 so please stop posting and I am reporting this.