Forum Filibuster is a rare Enchantment card from Secrets of Strixhaven Commander (SOC), collector number 64. Current market price: $0.31, TCGplayer market prices via Scryfall.
At the beginning of your upkeep, create a 2/1 white and black Inkling creature token with flying. When you do, return up to one target Aura or Equipment card from your graveyard to the battlefield attached to that token.