Masamune, the Blinding Blade

Equip Masamune to Samurai creatures only.

Whenever equipped creature deals combat damage to a player, that player gains an
emblem with "Whenever you draw a card,
end your turn, attack with any creature, or
gain mana from a non-land source, you lose 2 life."

Equip: Pay 6 life and sacrifice two untapped
lands.