Cycle of Life is a rare Enchantment card from Mirage (MIR), collector number 211. Current market price: $0.71, TCGplayer market prices via Scryfall.
Return this enchantment to its owner's hand: Target creature you cast this turn has base power and toughness 0/1 until your next upkeep. At the beginning of your next upkeep, put a +1/+1 counter on that creature.