Trystan's Command is a rare Kindred Sorcery — Elf card from Lorwyn Eclipsed Promos (PECL), collector number 247p. Current market price: $0.49 (foil $1.15), TCGplayer market prices via Scryfall.
Choose two — • Create a token that's a copy of target Elf you control. • Return one or two target permanent cards from your graveyard to your hand. • Destroy target creature or enchantment. • Creatures target player controls get +3/+3 until end of turn. Untap them.