Clockwork Steed
This creature enters with four +1/+0 counters on it.
This creature can't be blocked by artifact creatures.
At end of combat, if this creature attacked or blocked this combat, remove a +1/+0 counter from it.
, 
: Put up to X +1/+0 counters on this creature. This ability can't cause the total number of +1/+0 counters on this creature to be greater than four. Activate only during your upkeep.
Illustrated by Amy Weber
This printing
Prices
Can attack or block even if it has no counters.
Loses a counter even if it is affected by a Fog-like effect which prevents it from dealing damage.
When Clockwork Steed's last ability resolves, you can choose to put fewer than X +1/+0 counters on it.
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.
