When you planeswalk to Antarctic Research Base and at the beginning of your upkeep, investigate. Whenever chaos ensues, put X +1/+1 counters on target creature you control, where X is the number of artifacts you control. It becomes a Plant in addition to its other types.
![Antarctic Research Base [Doctor Who]](http://www.cardmerchanttakapuna.co.nz/cdn/shop/files/a554834d-1346-58a6-b9c3-057eb0cb9f6c.png?v=1768506892&width=1445)