When Cytoplast Merchant enters the battlefield, move any number of +1/+1 counters from other permanents you control onto Cytoplast Merchant.

Graft 1 (This creature enters the battlefield with a +1/+1 counter on it. Whenever a creature enters the battlefield, you may move a +1/+1 counter from this creature onto it.)

{2}{U}: Exile Cytoplast Merchant, then return it to the battlefield under its owner’s control.