Each player chooses a number of lands he or she controls equal to the number of lands controlled by the player who controls the fewest, then sacrifices the rest. Players discard cards and sacrifice creatures the same way.
Enchant permanent When Faith's Fetters enters the battlefield, you gain 4 life. Enchanted permanent's activated abilities can't be activated unless they're mana abilities. If enchanted permanent is a creature, it can't attack or block.