Restore Balance is a rare Sorcery card from Time Spiral (TSP), collector number 38. Current market price: $1.05 (foil $18.50), TCGplayer market prices via Scryfall.
Suspend 6—{W} Each player chooses a number of lands they control equal to the number of lands controlled by the player who controls the fewest, then sacrifices the rest. Players sacrifice creatures and discard cards the same way.