Board Thread:Naruto Discussions/@comment-25758952-20170730205750/@comment-31477317-20170731013909

meh, you use pearls for SUMMONING only! Don't use on anything else. Once you got at least 5 good cards (preferably 6* card) in every color, you're safe to spend it for other purpose (expanding your slot, refill your stamina, etc etc). Also, don't do SINGLE SUMMON unless you play the JP version.