Rule evolution
Rule 506.3c
Earliest archived Rules release: 2011-05-01 · 2 wording revisions · 0 renumberings
Added506.3cDetails
If an effect would put a creature onto the battlefield attacking either a player not in the game or a planeswalker no longer on the battlefield or no longer a planeswalker, that creature does enter the battlefield, but it's never considered to be an attacking creature.
Wording changed506.3cDetails
If an effect would put a creature onto the battlefield attacking either a player not in the game or a
planeswalkerpermanent that's no longer on the battlefield ornoisn'tlongereither a planeswalker or a battle, that creature does enter the battlefield, but it's never considered to be an attacking creature.Wording changed506.3cDetails
If an effect would put a creature onto the battlefield attacking either a player not in the game or a permanent that's no longer on the battlefield or isn't either a planeswalker or a battle, that creature does enter the battlefield, but it's never considered to be an attacking creature. See rule 508.4a.