![Myr Prototype [Mirrodin]](http://theboosterbox.com/cdn/shop/products/4bbc8fc0-5652-5a91-83f0-4d2966660eb0.jpg?v=1702027539&width=672)
![Myr Prototype [Mirrodin]](http://theboosterbox.com/cdn/shop/products/4bbc8fc0-5652-5a91-83f0-4d2966660eb0_1024x.jpg?v=1702027539)
Description
| Set: | Mirrodin |
| Type: | Artifact Creature — Myr |
| Rarity: | Uncommon |
| Cost: | {5} |
At the beginning of your upkeep, put a +1/+1 counter on Myr Prototype.
Myr Prototype can't attack or block unless you pay {1} for each +1/+1 counter on it.
Myr Prototype can't attack or block unless you pay {1} for each +1/+1 counter on it.