Vert, CPU of Leanbox

Haste
When this card enters the battlefield and during your Upkeep; place Share Counters on this card equal to the number of Leanbox cards you control. Vert gets +1/+1 for each Share Counter on it.
{5}{g}{g}-Transform Vert, CPU of Leanbox. You can remove all Share Counters from this card
(Min. 5) instead of paying this ability's Mana Cost. This ability cannot be activated the same turn Vert
is placed on the battlefield.