When you planeswalk to The Pyramid of Mars and at beginning of your upkeep, surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.) Whenever chaos ensues, return target creature card from your graveyard to the battlefield.
![The Pyramid of Mars [Doctor Who]](http://abyssgamestore.ca/cdn/shop/files/8aec22c6-4986-45aa-9b6b-8517bbbaed4e_dd441de8-a866-48d2-8547-2d0eb79e7f72.png?v=1756749540&width=1445)