
Flying
When this creature enters, if you control a creature with a +1/+1 counter on it, creatures your opponents control get -1/-1 until end of turn.
Foundry Hornet has 2 printings, first in Aether Revolt (2017). EDHREC ranks it #25,840 among Commander cards. It appears most in Swarm, Being of Bees decks (8 on EDHREC). It has 3 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.