Masked Rider Steam Armour

Equipped creature gets +2/+2 and has "{x}, {t}: Destroy target creature with toughness X."
If equipped creature would be destroyed, instead remove all damage from it, unequip Masked Rider
Steam Armour and discard a card.
The previously equipped creature cannot be re-equipped with Masked Rider Steam Armour
until next turn.
Equip {2}.