yugioh structure deck machina mayhem Yu-Gi-Oh Machine Madness Value Box 3 + 3 Jumbo Card (Cyber Dragon Revolution Machine Revolt) 1 Rulebook Yugioh Deck Review: Structure Deck:

Priceless Value: A Charizard ex Super Rare card graded Gem Mint 10 is not only a prestigious collectible, but also a valuable investment with significant appreciation potential

(2) If a Number Xyz Monster(s) you control is destroyed by battle or card effect and this card is in your GY: You can Set this card to your field, but banish it when it leaves the field

A Ritual Card sacrifices three monsters to Summon a new monster

WotC sent me the box for review, so its a fair point

Jund Reanimation - Where you discard things to reanimate to Dread Return, Eternal Witness or Living Death

But you'll lose a trio of life when it resolves, not bad for its price at all