Decree of Savagery is a rare Instant card from Scourge (SCG), collector number 115. Current market price: $0.42 (foil $5.66), TCGplayer market prices via Scryfall.
Put four +1/+1 counters on each creature you control. Cycling {4}{G}{G} ({4}{G}{G}, Discard this card: Draw a card.) When you cycle this card, you may put four +1/+1 counters on target creature.