This creature enters with two +1/+1 counters on it.
Whenever this creature attacks or blocks, remove a +1/+1 counter from it at end of combat.
Illustrated by Arnie Swekel · Mirrodin · #153
There are no rulings for Clockwork Beetle.
This creature enters with two -1/-1 counters on it.
, : Remove a -1/-1 counter from target creature.
This artifact enters with X gem counters on it.
, , Remove a gem counter from this artifact: Target creature can't attack or block this turn.
Whenever this creature blocks, put a +1/+1 counter on it.
Remove a +1/+1 counter from this creature: This creature can't be blocked this turn.
This artifact enters with a page counter on it.
Whenever your commander enters or attacks, put a page counter on this artifact.
, , Remove a page counter from this artifact: Draw a card.
This creature enters with a +1/+1 counter on it.
, Remove a +1/+1 counter from this creature: It deals 1 damage to any target.
Defender
Whenever this creature blocks, put a -0/-1 counter on it.