Rule evolution
Rule 301.5c
Previously numbered 301.7b.
Earliest archived Rules release: 2009-10-01 · 3 wording revisions · 1 renumbering
Earliest archived Rules release301.7bDetails
An Equipment that's also a creature can't equip a creature. Equipment that loses the subtype "Equipment" can't equip a creature. An Equipment can't equip itself. An Equipment that equips an illegal or nonexistent permanent becomes unattached from that permanent but remains on the battlefield. (This is a state-based action. See rule 704.)
Wording changed & Renumbered
301.7b→ 301.5cDetailsPreviously
3. Card Types
301. ArtifactsThen
3. Card Types
301. ArtifactsAn Equipment that's also a creature can't equip a creature. An Equipment that loses the subtype "Equipment" can't equip a creature. An Equipment can't equip itself. An Equipment that equips an illegal or nonexistent permanent becomes unattached from that permanent but remains on the battlefield. (This is a state-based action. See rule 704.)
Wording changed301.5cDetails
An Equipment that's also a creature can't equip a creature. An Equipment that loses the subtype "Equipment" can't equip a creature. An Equipment can't equip itself. An Equipment that equips an illegal or nonexistent permanent becomes unattached from that permanent but remains on the battlefield. (This is a state-based action. See rule 704.) An Equipment can't equip more than one creature. If a spell or ability would cause an Equipment to equip more than one creature, the Equipment's controller chooses which creature it equips.
Wording changed301.5cDetails
An Equipment that's also a creature can't equip a creature unless that Equipment has reconfigure (see rule 702.151, "Reconfigure"). An Equipment that loses the subtype "Equipment" can't equip a creature. An Equipment can't equip itself. An Equipment that equips an illegal or nonexistent permanent becomes unattached from that permanent but remains on the battlefield. (This is a state-based action. See rule 704.) An Equipment can't equip more than one creature. If a spell or ability would cause an Equipment to equip more than one creature, the Equipment's controller chooses which creature it equips.