『基本セット第4版』のカード

《機械仕掛けの鳥》

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Artifact Creature

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Flying
When Clockwork Avian comes into play, put four +1/+0 counters on it. At the end of any combat in which Clockwork Avian is assigned to attack or block, remove a counter.
oX, : Put X +1/+0 counters on Clockwork Avian. You may have no more than four of these counters on Clockwork Avian. Use this ability only during your upkeep.

[4E]:R [AQ]:R [BD]:R [ME4]:U