5th Edition: Clockwork Steed

Edition:	5th Edition
Type:	Artifact Creature - Horse
Cast:
Rarity:	U
Collector #:	357
Pow/Tuf:	0/3
Clockwork Steed enters the battlefield with four +1/+0 counters on it. 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.