Imperious Perfect is a uncommon Creature — Elf Warrior card from Duel Decks: Elves vs. Goblins (DD1), collector number 8. Current market price: $2.82, TCGplayer market prices via Scryfall.
Other Elves you control get +1/+1. {G}, {T}: Create a 1/1 green Elf Warrior creature token.