| Set: |
Mystery Booster |
| Type: |
Creature — Phyrexian Bird Horror |
| Rarity: |
Uncommon |
| Cost: |
{1}{U} |
Flying
Whenever Thrummingbird deals combat damage to a player, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
![Thrummingbird [Mystery Booster]](http://cdn.shopify.com/s/files/1/0269/1307/9380/products/94b685c5-8055-5a42-82a2-ff8541c68b37_1024x1024.jpg?v=1656623171)
