i'm trying to get all of the crystal beasts pegusis or the panther?

my monsters
i have 12 warriors (3 r not effect), 5 dragons, 1 spellcaster, 1 fiend, 1 sea serpent, 1 reptile, 1 insect, zombie, 3 fairys, 2 beast- warriors, 2 plants, 3 aqua, 3rocks, 4 psychic, 5 beasts, 9 winged beasts, and 11 machines.