I Know All, I See All is a common Ongoing Scheme card from Archenemy Schemes (OARC), collector number 18★. Current market price: $7.72, TCGplayer market prices via Scryfall.
(An ongoing scheme remains face up until it's abandoned.) Untap all permanents you control during each opponent's untap step. At the beginning of each end step, if three or more cards were put into your graveyard this turn from anywhere, abandon this scheme.