yugioh egyptian god support cards Card set Obelisk Slifer The Winged Dragon of Ra Ultra Rare Slifer with the red card back Yu-Gi-Oh! TCG Reveals Stainless Steel

I would be aiming for an average CMC (with that rough 50% ramp count, of which the majority should be one or two mana to use) of about 2 mana per card and therefore your total CMC for the whole deck wants to be around 80

For those who have never seen these cards before, there's an explanation of these cards from Wizards of the Coast published back in 2005

Worth it

The Gold Stamp cards : Most were a part of the Special cards (blue borders) production, on which Carddass printed the characters name in gold color

It's also reasonably strong on its own as a 4/3 for 3 mana

Doing so will allow you to open the maximum number of free Booster Packs, increasing your card collection without wasting Pack Hourglasses