Arthmael, Great warrior bear

The roar of ursun: When Arthmael enters the battlefield choose a creature type. That creature type gets +1/+1 for each type there is of that creature type and so does Arthmael.
{8}{b}{g}The destruction of ursun: All players roll a d20. If they get below 10 they mill 5 cards if they get 10 or above they search there library for two basic land cards then play them if they get a nat 1 they lose the game.