Love on the Battlefield is a rare Enchantment card from Marvel Super Heroes Commander (MSC), collector number 408. Current market price: $0.80, TCGplayer market prices via Scryfall.
Whenever you attack with exactly two creatures, those creatures gain first strike until end of turn, then draw a card. Whenever either of those creatures deals combat damage to a player this combat, put a +1/+1 counter on it.