Sly Trader

Stock 3
At the beginning of your opponents upkeep, they may choose to put a +1/+1 counter on a target creature they control, if they do you may increase the stock limit of Sly Trader by 1.
Remove 8 stock counters from Sly Trader: Search your library for a permanent with converted mana cost 6 or less and put it onto the battlefield, set Sly Trader's stock limit to 3.