Talk:Boost/@comment-24.211.38.116-20130307050923/@comment-5689421-20130307065411

it saves you much more silver to use them at the end of levelling where the cost per card is higher and each card at that point might not even level your base card up one level and the iso8 is going to give you 3 levels each or 4.5 each levels if you get ultimate boost (random event when boosting)