Majora's Mask

Equip {3}
At the beginning of your upkeep, put a curse
counter on equipped creature.
Remove 2 curse counters: Target creature loses
all abilities and has base power and toughness
1/2.
Remove 4 curse counters: Exile target
permanent.
Remove 6 curse counters: Destroy all other permanents. Each player puts 3 land cards from
their graveyard onto the battlefield tapped.