how does a side deck work in yugioh to Play Yu Gi Oh! Beginner's Guide & Rulebook Yu-Gi-Oh! How To Properly Side

equip 1 appropriate LIGHT Machine Union monster, with a different name, from your Deck to that monster, but the Union monster you equipped cannot be Special Summoned this turn

10 Lairon At a glance, Lairon doesn't seem that special, and plus, it does cost a bit of Energy to get this card going

While damage can still accrue if your opponent has a card with a 'damage can't be prevented' effect, that damage still can't be dealt until the Terefi's Protection has been lifted on your next turn, and your lifetotal can be adjusted again

While this can help to keep your Sliver synergies going and make your deck more survivable, it too isnt perfect