Yu-Gi-Oh! Wiki - Iron Chain Coil

Once per turn, you can select 1 "Iron Chain" monster you control to have it gain 300 ATK and DEF.
Once per turn, you can select 1 Iron Chain monster you control to have it gain 300 ATK and DEF.

How to Play Yu Gi Oh! (with Pictures) - wikiHow

Odd-Eyes Performapal Deck List and Card Guide

Remember YuGiOh McDonalds Promos? I distinctively remember pulling

Jump - Super Mario Wiki, the Mario encyclopedia

Gearfried the Red-Eyes Iron Knight

They Shouldn't Have Killed His Dog

Yu-Gi-Oh! - Iron Chain Snake (CSOC-EN018) - Crossroads

Metal–organic framework - Wikipedia

Yu-Gi-Oh! Wiki - Iron Chain Snake

Pot of Greed: The game-breaking card that changed Yu-Gi-Oh