Fear of Unsleeved Decks is a common Enchantment Creature — Nightmare card from Unknown Event (UNK), collector number CG04. Current market price: $14.61, TCGplayer market prices via Scryfall.
As long as you aren't playing with sleeves, Fear of Unsleeved Decks gets +1/+1 and has trample. (No, you can't start with sleeves and then remove them.)