Fluorohydride/ygopro — pull request #212 by VanillaSalt (2012-08-20 08:24:33+00:00)
Title: fix

If "Macro Cosmos" is active you won't be able to discard "Machina Fortress" as part of the cost to Special Summon the same "Machina Fortress" because it will be removed from play.
(http://www.yugioh-card.com/en/gameplay/rulings/10406SDMachinaMayhem_Rules.pdf)