Hornet Cannon is a uncommon Artifact card from Duel Decks: Phyrexia vs. the Coalition (DDE), collector number 28. Current market price: $0.25, TCGplayer market prices via Scryfall.
{3}, {T}: Create a 1/1 colorless Insect artifact creature token with flying and haste named Hornet. Destroy it at the beginning of the next end step.