Staff of Compleation is a mythic Artifact card from Tarkir: Dragonstorm Commander (TDC), collector number 326. Current market price: $4.00, TCGplayer market prices via Scryfall.
{T}, Pay 1 life: Destroy target permanent you own. {T}, Pay 2 life: Add one mana of any color. {T}, Pay 3 life: Proliferate. {T}, Pay 4 life: Draw a card. {5}: Untap this artifact.