Core Overclock

Yu-Gi-Oh Card: Core Overclock
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Core Overclock
Type:Continuous Spell
Text:All face-up "Koa'ki Meiru" monsters you control gain 500 ATK. Once per turn, during your Main Phase, you can discard 1 "Iron Core of Koa'ki Meiru" to have all face-up "Koa'ki Meiru" monsters you control gain 1000 ATK until the End Phase.
Password:36560997
Printings: The Shining Darkness (TSHD-EN087)