Durandal

This card enters the battlefield tapped.
{t}: Deal 4 damage to target, add a +1/+1 counter
on a creature you control, add a Workshop counter
to a Roland creature card you control, then return
this card to the owner's hand.
Until a Roland creature card you control
leaves the battlefield, cards you own named
Durandal cannot create Workshop counters if
they have already created Workshop counters.