In a multiplayer game, I goad one of my opponent's creatures. On that player's turn, the goaded creature attacks someone else, who plays Portal Mage. Can he send the creature at me?
8/25/2017 Reselecting which player or planeswalker a creature is attacking ignores all requirements, restrictions, and costs associated with attacking.
Rule 508.7b: While reselecting which player or planeswalker a creature is attacking, that creature isn’t affected by requirements or restrictions that apply to the declaration of attackers.
8/25/2017 Reselecting which player or planeswalker a creature is attacking ignores all requirements, restrictions, and costs associated with attacking.
RULES OF MAGIC :
http://magic.wizards.com/en/game-info/gameplay/rules-and-formats/rules