「再攻撃」の意味らしい。

class BT_430:
	"""Warglaives of Azzinoth"""
	events = Attack(FRIENDLY_HERO, ALL_MINIONS).after(
		ExtraAttack(FRIENDLY_HERO))

After attacking a minion, your hero may attack again.

class BT_487:
	"""Hulking Overfiend"""
	events = Attack(SELF, ALL_MINIONS).after(
		Dead(ALL_MINIONS + Attack.DEFENDER) & ExtraAttack(SELF)
	)

Rush. After this attacks and kills a minion, it may_attack again.

class OG_308:
	"""Giant Sand Worm"""
	events = Attack(SELF, ALL_MINIONS).after(
		Dead(ALL_MINIONS + Attack.DEFENDER) & ExtraAttack(SELF)
	)

Whenever this attacks and kills a minion, it may attack again.

problem

CardID="SCH_279", Trueaim Crescent
description: After your Hero attacks a minion, your minions attack it too.

<- not 'may attack it' nor 'attack any.'