def play(self, target=None, index=None, choose=None):
		"""
		Queue a Play action on the card.
		"""
		if choose:
			if self.must_choose_one:
				choose = card = self.choose_cards.filter(id=choose)[0]
				self.log("%r: choosing %r", self, choose)
			else:
				raise InvalidAction("%r cannot be played with choice %r" % (self, choose))
		else:
			if self.must_choose_one:
				raise InvalidAction("%r requires a choice (one of %r)" % (self, self.choose_cards))
			card = self
		if not self.is_playable():
			raise InvalidAction("%r isn't playable." % (self))
		if card.requires_target():
			if not target:
				raise InvalidAction("%r requires a target to play." % (self))
			elif target not in self.play_targets:
				raise InvalidAction("%r is not a valid target for %r." % (target, self))
		elif target:
			self.logger.warning("%r does not require a target, ignoring target %r", self, target)
		self.game.play_card(self, target, index, choose)
		return self
Queue a Play action on the card.