Whenever a creature you control attacks or a creature enters the battlefield under your control attacking, you may pay 1R. If you do, you may put a creature card with mana value less than that creature's mana value from your hand onto the battlefield tapped and attacking.
![Arni Metalbrow (Showcase) [March of the Machine: The Aftermath]](http://www.cosmicgames.com/cdn/shop/files/59cd3a3a-f9f8-4d83-951f-d187f2bab0a4_93e5e53a-b8aa-49b6-b0f7-c7cdd3b8054b.png?v=1773368882&width=1445)
