*[[Equip Spell Cards]] that increase attack or deal more damage after combat is advised. You can also use "[[Hidden Armory]]" but you won't be able to [[Normal Summon]] that turn. This will not be a problem if you already have your copies of "[[Guardian Eatos]]" out since they will have been [[Special Summon]]ed. If your opponent has even one monster in the graveyard (likely if the game has gone on a bit) you can remove the equip spell and banish his monster(s) for an attack boost. Even if you don't have the OTK available, you can do large amounts of damage this way.