Clockwork Steed | Magic: The Gathering
Formats Clockwork Steed is Legal in
Official Oracle Text for Clockwork Steed
Clockwork Steed can't be blocked by artifact creatures.
At end of combat, if Clockwork Steed attacked or blocked this combat, remove a +1/+0 counter from it.
, : Put up to X +1/+0 counters on Clockwork Steed. This ability can't cause the total number of +1/+0 counters on Clockwork Steed to be greater than four. Activate this ability only during your upkeep.
Official Rulings for Clockwork Steed
10/4/2004 : Can attack or block even if it has no counters.
10/1/2008 : When Clockwork Steed's last ability resolves, you can choose to put fewer than X +1/+0 counters on it.
10/1/2008 : If Clockwork Steed has four or fewer +1/+0 counters on it when its last ability resolves, it can wind up with a maximum of four such counters on it. If it has four or more +1/+0 counters on it, the ability will have no effect.