Talk:Great Spell, Collapse of Valhalla/@comment-14781023-20170618154310/@comment-5214176-20170618155812

in order to evolve u'd need to nullify the destroyed sieger's lifelink as part of the evolving sieger's call cost.since this card already nullfifies sieger's lifelink, u would not be able to pay the cost of 'nullify that card's lifelink'  and thus would not be able to call sieger.