Survival Cache is a uncommon Sorcery card from Commander 2013 (C13), collector number 23. Current market price: $0.19, TCGplayer market prices via Scryfall.
You gain 2 life. Then if you have more life than an opponent, draw a card. Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)