Great Sword

Equipped creature gets +4/+0
(you may have 4 great swords in your deck)
{4}, {t}, sacrifice Great Sword and a Lightning
Crystal: search your library for "Lightning Blade"
and put it onto the battlefield.
{4}, {t}, sacrifice 2 Great swords: search your
library for "Twin Great Blades" and put it onto
the battlefield.
Equip {2}